Number of the day: 12501045020

Properties of the number 12501045020:

12501045020 = 2² × 5 × 89 × 7023059 is composite and not squarefree.
12501045020 has 4 distinct prime factors, 24 divisors, 15 antidivisors and 4944232832 totatives.
12501045020 has an oblong digit sum 20 in base 10.
12501045020 = 3125261256² - 3125261254² = 625052256² - 625052246² = 35115384² - 35115206² = 7023504² - 7022614² is the difference of 2 nonnegative squares in 4 ways.
12501045020 is the sum of 2 positive triangular numbers.
12501045020 is the difference of 2 positive pentagonal numbers in 4 ways.
12501045020 is not the sum of 3 positive squares.
12501045020² = 5477986020² + 11236894400² = 2359747824² + 12276307132² = 5702723908² + 11124525456² = 7500627012² + 10000836016² is the sum of 2 positive squares in 4 ways.
12501045020² is the sum of 3 positive squares.
12501045020 is a divisor of 101^4013176 - 1.