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23134633871 = 191217612309
BaseRepresentation
bin10101100010111011…
…100111111110001111
32012201021220011112112
4111202323213332033
5334334431240441
614343343254235
71446204100106
oct254273477617
965637804475
1023134633871
1198a1996928
1245978aa37b
132248c3ab8b
14119673703d
159060564eb
hex562ee7f8f

23134633871 has 4 divisors (see below), whose sum is σ = 24352246200. Its totient is φ = 21917021544.

The previous prime is 23134633867. The next prime is 23134633877. The reversal of 23134633871 is 17833643132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23134633871 - 22 = 23134633867 is a prime.

It is a super-2 number, since 2×231346338712 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23134633877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608806136 + ... + 608806173.

It is an arithmetic number, because the mean of its divisors is an integer number (6088061550).

Almost surely, 223134633871 is an apocalyptic number.

23134633871 is a deficient number, since it is larger than the sum of its proper divisors (1217612329).

23134633871 is a wasteful number, since it uses less digits than its factorization.

23134633871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217612328.

The product of its digits is 217728, while the sum is 41.

The spelling of 23134633871 in words is "twenty-three billion, one hundred thirty-four million, six hundred thirty-three thousand, eight hundred seventy-one".

Divisors: 1 19 1217612309 23134633871