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18823123132 = 2211479893107
BaseRepresentation
bin10001100001111100…
…100001000010111100
31210120211000201200121
4101201330201002330
5302022204420012
612351444504324
71234311623002
oct214174410274
953524021617
1018823123132
117a8a187010
1237939ab0a4
131a0c91b2a8
14ca7c94a72
1575279ba07
hex461f210bc

18823123132 has 24 divisors (see below), whose sum is σ = 36010114560. Its totient is φ = 8538093360.

The previous prime is 18823123117. The next prime is 18823123133. The reversal of 18823123132 is 23132132881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18823123133) 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, 425478 + ... + 467629.

It is an arithmetic number, because the mean of its divisors is an integer number (1500421440).

Almost surely, 218823123132 is an apocalyptic number.

It is an amenable number.

18823123132 is a deficient number, since it is larger than the sum of its proper divisors (17186991428).

18823123132 is a wasteful number, since it uses less digits than its factorization.

18823123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893601 (or 893599 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The spelling of 18823123132 in words is "eighteen billion, eight hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 479 958 1916 5269 10538 21076 893107 1786214 3572428 9824177 19648354 39296708 427798253 855596506 1711193012 4705780783 9411561566 18823123132