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985229902124 = 221318946728887
BaseRepresentation
bin11100101011001000100…
…01110100000100101100
310111012001100212201012222
432111210101310010230
5112120222323331444
62032335224014512
7131115625664126
oct16254421640454
93435040781188
10985229902124
1134a91965a836
1213ab3b601438
1371ba3276360
143598498a216
151a964c15eee
hexe56447412c

985229902124 has 12 divisors (see below), whose sum is σ = 1856779431024. Its totient is φ = 454721493264.

The previous prime is 985229902093. The next prime is 985229902199. The reversal of 985229902124 is 421209922589.

It is a happy number.

It is a super-2 number, since 2×9852299021242 (a number of 25 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 3 ways as a sum of consecutive naturals, for example, 9473364392 + ... + 9473364495.

It is an arithmetic number, because the mean of its divisors is an integer number (154731619252).

Almost surely, 2985229902124 is an apocalyptic number.

It is an amenable number.

985229902124 is a deficient number, since it is larger than the sum of its proper divisors (871549528900).

985229902124 is a wasteful number, since it uses less digits than its factorization.

985229902124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18946728904 (or 18946728902 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 985229902124 in words is "nine hundred eighty-five billion, two hundred twenty-nine million, nine hundred two thousand, one hundred twenty-four".

Divisors: 1 2 4 13 26 52 18946728887 37893457774 75786915548 246307475531 492614951062 985229902124