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23156748276 = 2231929729023
BaseRepresentation
bin10101100100001111…
…111110111111110100
32012202211111200210120
4111210033332333310
5334411111421101
614345453251540
71446563053434
oct254417767764
965684450716
1023156748276
1199034207a2
1245a3193bb0
1322506b181c
1411996522c4
15907e73b36
hex5643feff4

23156748276 has 12 divisors (see below), whose sum is σ = 54032412672. Its totient is φ = 7718916088.

The previous prime is 23156748259. The next prime is 23156748323. The reversal of 23156748276 is 67284765132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 964864500 + ... + 964864523.

It is an arithmetic number, because the mean of its divisors is an integer number (4502701056).

Almost surely, 223156748276 is an apocalyptic number.

It is an amenable number.

23156748276 is an abundant number, since it is smaller than the sum of its proper divisors (30875664396).

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

23156748276 is a wasteful number, since it uses less digits than its factorization.

23156748276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929729030 (or 1929729028 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 23156748276 in words is "twenty-three billion, one hundred fifty-six million, seven hundred forty-eight thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 1929729023 3859458046 5789187069 7718916092 11578374138 23156748276