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23033013012 = 2233297354091
BaseRepresentation
bin10101011100110111…
…111110001100010100
32012110012200021221000
4111130313332030110
5334132422404022
614325313223300
71443531244302
oct253467761424
965405607830
1023033013012
11984a598649
124569861b30
132230b7a6a9
141187043272
158ec1816ac
hex55cdfe314

23033013012 has 48 divisors (see below), whose sum is σ = 61774372800. Its totient is φ = 7412922720.

The previous prime is 23033012987. The next prime is 23033013043. The reversal of 23033013012 is 21031033032.

23033013012 is a `hidden beast` number, since 2 + 30 + 330 + 1 + 301 + 2 = 666.

It is a super-2 number, since 2×230330130122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3673914 + ... + 3680177.

It is an arithmetic number, because the mean of its divisors is an integer number (1286966100).

Almost surely, 223033013012 is an apocalyptic number.

It is an amenable number.

23033013012 is an abundant number, since it is smaller than the sum of its proper divisors (38741359788).

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

23033013012 is a wasteful number, since it uses less digits than its factorization.

23033013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354133 (or 7354125 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23033013012 its reverse (21031033032), we get a palindrome (44064046044).

It can be divided in two parts, 230330 and 13012, that added together give a palindrome (243342).

The spelling of 23033013012 in words is "twenty-three billion, thirty-three million, thirteen thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 87 108 116 174 261 348 522 783 1044 1566 3132 7354091 14708182 22062273 29416364 44124546 66186819 88249092 132373638 198560457 213268639 264747276 397120914 426537278 639805917 794241828 853074556 1279611834 1919417751 2559223668 3838835502 5758253253 7677671004 11516506506 23033013012