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11456870031 = 321272985559
BaseRepresentation
bin10101010101110000…
…11111011010001111
31002120110010022002200
422222320133122033
5141430424320111
65132504252543
7553624534305
oct125270373217
932513108080
1011456870031
11494a117032
122278a71153
13110778b349
147a983a275
15470c38256
hex2aae1f68f

11456870031 has 6 divisors (see below), whose sum is σ = 16548812280. Its totient is φ = 7637913348.

The previous prime is 11456870017. The next prime is 11456870099. The reversal of 11456870031 is 13007865411.

It is not a de Polignac number, because 11456870031 - 25 = 11456869999 is a prime.

It is a super-2 number, since 2×114568700312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456878031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 636492771 + ... + 636492788.

It is an arithmetic number, because the mean of its divisors is an integer number (2758135380).

Almost surely, 211456870031 is an apocalyptic number.

11456870031 is a deficient number, since it is larger than the sum of its proper divisors (5091942249).

11456870031 is a wasteful number, since it uses less digits than its factorization.

11456870031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272985565 (or 1272985562 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 11456870031 in words is "eleven billion, four hundred fifty-six million, eight hundred seventy thousand, thirty-one".

Divisors: 1 3 9 1272985559 3818956677 11456870031