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18957060539 = 433613122021
BaseRepresentation
bin10001101001111011…
…011100100110111011
31210221011001110021022
4101221323130212323
5302311001414124
612413031333055
71240526233034
oct215173344673
953834043238
1018957060539
11804884818a
12381082118b
131a315b4cb1
14cbb99ba8b
1575e406c5e
hex469edc9bb

18957060539 has 8 divisors (see below), whose sum is σ = 19403450352. Its totient is φ = 18510922080.

The previous prime is 18957060523. The next prime is 18957060541. The reversal of 18957060539 is 93506075981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18957060539 - 24 = 18957060523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18957060559) 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, 94349 + ... + 216369.

It is an arithmetic number, because the mean of its divisors is an integer number (2425431294).

Almost surely, 218957060539 is an apocalyptic number.

18957060539 is a deficient number, since it is larger than the sum of its proper divisors (446389813).

18957060539 is a wasteful number, since it uses less digits than its factorization.

18957060539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125677.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 18957060539 in words is "eighteen billion, nine hundred fifty-seven million, sixty thousand, five hundred thirty-nine".

Divisors: 1 43 3613 122021 155359 5246903 440861873 18957060539