105247420250 has 128 divisors (see below), whose sum is σ = 232833968640. Its totient is φ = 34873152000.

The previous prime is 105247420241. The next prime is 105247420261. The reversal of 105247420250 is 52024742501.

It is a super-2 number, since 2×105247420250² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7670396 + ... + 7684104.

It is an arithmetic number, because the mean of its divisors is an integer number (1819015380).

Almost surely, 2^105247420250 is an apocalyptic number.

105247420250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105247420250 is an abundant number, since it is smaller than the sum of its proper divisors (127586548390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105247420250 is a wasteful number, since it uses less digits than its factorization.

105247420250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13881 (or 13871 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The spelling of 105247420250 in words is "one hundred five billion, two hundred forty-seven million, four hundred twenty thousand, two hundred fifty".