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23097256864 = 251165617207
BaseRepresentation
bin10101100000101101…
…000010101110100000
32012121200120012220221
4111200231002232200
5334300344204424
614335530212424
71445241305203
oct254055025640
965550505827
1023097256864
119882887a40
124587284114
1322412821c6
1411917a793a
15902b219e4
hex560b42ba0

23097256864 has 24 divisors (see below), whose sum is σ = 49606609248. Its totient is φ = 10498752960.

The previous prime is 23097256841. The next prime is 23097256879. The reversal of 23097256864 is 46865279032.

It is a super-2 number, since 2×230972568642 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32808252 + ... + 32808955.

It is an arithmetic number, because the mean of its divisors is an integer number (2066942052).

Almost surely, 223097256864 is an apocalyptic number.

It is an amenable number.

23097256864 is an abundant number, since it is smaller than the sum of its proper divisors (26509352384).

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

23097256864 is a wasteful number, since it uses less digits than its factorization.

23097256864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65617228 (or 65617220 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 23097256864 in words is "twenty-three billion, ninety-seven million, two hundred fifty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 65617207 131234414 262468828 524937656 721789277 1049875312 1443578554 2099750624 2887157108 5774314216 11548628432 23097256864