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23255863284 = 2231937988607
BaseRepresentation
bin10101101010001010…
…000100111111110100
32020000202000021000210
4111222022010333310
5340112000111114
614403353505420
71452205401453
oct255212047764
966022007023
1023255863284
119954368325
124610412270
1322680a5564
1411a8892b9a
15911a01259
hex56a284ff4

23255863284 has 12 divisors (see below), whose sum is σ = 54263681024. Its totient is φ = 7751954424.

The previous prime is 23255863229. The next prime is 23255863289. The reversal of 23255863284 is 48236855232.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23255863289) 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, 968994292 + ... + 968994315.

Almost surely, 223255863284 is an apocalyptic number.

It is an amenable number.

23255863284 is an abundant number, since it is smaller than the sum of its proper divisors (31007817740).

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

23255863284 is a wasteful number, since it uses less digits than its factorization.

23255863284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937988614 (or 1937988612 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The spelling of 23255863284 in words is "twenty-three billion, two hundred fifty-five million, eight hundred sixty-three thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 1937988607 3875977214 5813965821 7751954428 11627931642 23255863284