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23051155679 = 163141418133
BaseRepresentation
bin10101011101111101…
…001011100011011111
32012111110211000222122
4111131331023203133
5334202043440204
614331202133155
71444141406336
oct253575134337
965443730878
1023051155679
11985985a492
1245739511bb
1322348605b6
141189606d1d
158eda670be
hex55df4b8df

23051155679 has 4 divisors (see below), whose sum is σ = 23192573976. Its totient is φ = 22909737384.

The previous prime is 23051155667. The next prime is 23051155681. The reversal of 23051155679 is 97655115032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23051155679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23051155609) 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, 70708904 + ... + 70709229.

It is an arithmetic number, because the mean of its divisors is an integer number (5798143494).

Almost surely, 223051155679 is an apocalyptic number.

23051155679 is a deficient number, since it is larger than the sum of its proper divisors (141418297).

23051155679 is a wasteful number, since it uses less digits than its factorization.

23051155679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141418296.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 23051155679 in words is "twenty-three billion, fifty-one million, one hundred fifty-five thousand, six hundred seventy-nine".

Divisors: 1 163 141418133 23051155679