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11031764772 = 2237131330533
BaseRepresentation
bin10100100011000101…
…10101111100100100
31001110211012201022110
422101202311330210
5140043112433042
65022401001020
7540243311340
oct122142657444
931424181273
1011031764772
114751164176
12217a623170
13106a699982
147691bc620
1544876609c
hex2918b5f24

11031764772 has 24 divisors (see below), whose sum is σ = 29418039616. Its totient is φ = 3151932768.

The previous prime is 11031764771. The next prime is 11031764813. The reversal of 11031764772 is 27746713011.

It is a super-3 number, since 3×110317647723 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11031764772.

It is not an unprimeable number, because it can be changed into a prime (11031764771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65665183 + ... + 65665350.

Almost surely, 211031764772 is an apocalyptic number.

11031764772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11031764772 is an abundant number, since it is smaller than the sum of its proper divisors (18386274844).

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

11031764772 is a wasteful number, since it uses less digits than its factorization.

11031764772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131330547 (or 131330545 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 11031764772 in words is "eleven billion, thirty-one million, seven hundred sixty-four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 131330533 262661066 393991599 525322132 787983198 919313731 1575966396 1838627462 2757941193 3677254924 5515882386 11031764772