512226731650 has 12 divisors (see below), whose sum is σ = 952741720962. Its totient is φ = 204890692640.

The previous prime is 512226731609. The next prime is 512226731759. The reversal of 512226731650 is 56137622215.

It can be written as a sum of positive squares in 3 ways, for example, as 408386180601 + 103840551049 = 639051^2 + 322243^2 .

It is a super-2 number, since 2×512226731650² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5122267267 + ... + 5122267366.

Almost surely, 2^512226731650 is an apocalyptic number.

512226731650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

512226731650 is a deficient number, since it is larger than the sum of its proper divisors (440514989312).

512226731650 is a wasteful number, since it uses less digits than its factorization.

512226731650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244534645 (or 10244534640 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 512226731650 in words is "five hundred twelve billion, two hundred twenty-six million, seven hundred thirty-one thousand, six hundred fifty".