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23162401236 = 22313148476931
BaseRepresentation
bin10101100100100101…
…100011000111010100
32012210020010220012110
4111210211203013110
5334414033314421
614350214351020
71446662106402
oct254445430724
965706126173
1023162401236
119906631967
1245a505b470
132251910880
14119a2c4472
159086dda76
hex5649631d4

23162401236 has 24 divisors (see below), whose sum is σ = 58202957344. Its totient is φ = 7126892640.

The previous prime is 23162401219. The next prime is 23162401237. The reversal of 23162401236 is 63210426132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23162401237) 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, 74238310 + ... + 74238621.

Almost surely, 223162401236 is an apocalyptic number.

23162401236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23162401236 is an abundant number, since it is smaller than the sum of its proper divisors (35040556108).

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

23162401236 is a wasteful number, since it uses less digits than its factorization.

23162401236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148476951 (or 148476949 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 23162401236 its reverse (63210426132), we get a palindrome (86372827368).

The spelling of 23162401236 in words is "twenty-three billion, one hundred sixty-two million, four hundred one thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 148476931 296953862 445430793 593907724 890861586 1781723172 1930200103 3860400206 5790600309 7720800412 11581200618 23162401236