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23297808172 = 228374394447
BaseRepresentation
bin10101101100101010…
…000101011100101100
32020010122221021121011
4111230222011130230
5340203214330142
614411452515004
71453225046662
oct255452053454
966118837534
1023297808172
119976007121
12462247ba64
1322739a0412
1411b0290c32
15915539417
hex56ca8572c

23297808172 has 24 divisors (see below), whose sum is σ = 41318355456. Its totient is φ = 11492944848.

The previous prime is 23297808059. The next prime is 23297808179. The reversal of 23297808172 is 27180879232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23297808179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199453 + ... + 293899.

It is an arithmetic number, because the mean of its divisors is an integer number (1721598144).

Almost surely, 223297808172 is an apocalyptic number.

It is an amenable number.

23297808172 is a deficient number, since it is larger than the sum of its proper divisors (18020547284).

23297808172 is a wasteful number, since it uses less digits than its factorization.

23297808172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95277 (or 95275 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 23297808172 in words is "twenty-three billion, two hundred ninety-seven million, eight hundred eight thousand, one hundred seventy-two".

Divisors: 1 2 4 83 166 332 743 1486 2972 61669 94447 123338 188894 246676 377788 7839101 15678202 31356404 70174121 140348242 280696484 5824452043 11648904086 23297808172