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10012111989 = 3112910461977
BaseRepresentation
bin10010101001100010…
…01011010001110101
3221211202112222122120
421110301023101311
5131001100040424
64333254150153
7503052355605
oct112461132165
927752488576
1010012111989
114278637a20
121b35052359
13c3736b429
146ad9d6c05
153d8ea1a79
hex254c4b475

10012111989 has 16 divisors (see below), whose sum is σ = 15065248320. Its totient is φ = 5858706560.

The previous prime is 10012111979. The next prime is 10012112003. The reversal of 10012111989 is 98911121001.

It is a cyclic number.

It is not a de Polignac number, because 10012111989 - 27 = 10012111861 is a prime.

It is a super-3 number, since 3×100121119893 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012111909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5230032 + ... + 5231945.

It is an arithmetic number, because the mean of its divisors is an integer number (941578020).

Almost surely, 210012111989 is an apocalyptic number.

It is an amenable number.

10012111989 is a deficient number, since it is larger than the sum of its proper divisors (5053136331).

10012111989 is a wasteful number, since it uses less digits than its factorization.

10012111989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462020.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 10012111989 in words is "ten billion, twelve million, one hundred eleven thousand, nine hundred eighty-nine".

Divisors: 1 3 11 29 33 87 319 957 10461977 31385931 115081747 303397333 345245241 910191999 3337370663 10012111989