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23012245396 = 227821865907
BaseRepresentation
bin10101011011101000…
…101111111110010100
32012101202121012010001
4111123220233332110
5334112113323041
614323252141044
71443156600310
oct253350577624
965352535101
1023012245396
1198398a3628
124562907784
132229788a6a
141184398b40
158ea42d131
hex55ba2ff94

23012245396 has 12 divisors (see below), whose sum is σ = 46024490848. Its totient is φ = 9862390872.

The previous prime is 23012245393. The next prime is 23012245429. The reversal of 23012245396 is 69354221032.

23012245396 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012245391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410932926 + ... + 410932981.

Almost surely, 223012245396 is an apocalyptic number.

It is an amenable number.

23012245396 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23012245396 is a wasteful number, since it uses less digits than its factorization.

23012245396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821865918 (or 821865916 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 23012245396 in words is "twenty-three billion, twelve million, two hundred forty-five thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 28 821865907 1643731814 3287463628 5753061349 11506122698 23012245396