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23130500544 = 263240157119
BaseRepresentation
bin10101100010101011…
…110110110111000000
32012201000010011200100
4111202223312313000
5334332402004134
614343114522400
71446124003434
oct254253666700
965630104610
1023130500544
11989a623458
124596436400
132248121718
141195d7c9c4
159059db999
hex562af6dc0

23130500544 has 42 divisors (see below), whose sum is σ = 66299405120. Its totient is φ = 7710166656.

The previous prime is 23130500537. The next prime is 23130500599. The reversal of 23130500544 is 44500503132.

23130500544 is a `hidden beast` number, since 23 + 130 + 500 + 5 + 4 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20077984 + ... + 20079135.

Almost surely, 223130500544 is an apocalyptic number.

23130500544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23130500544 is an abundant number, since it is smaller than the sum of its proper divisors (43168904576).

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

23130500544 is a wasteful number, since it uses less digits than its factorization.

23130500544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40157137 (or 40157124 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 23130500544 in words is "twenty-three billion, one hundred thirty million, five hundred thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 40157119 80314238 120471357 160628476 240942714 321256952 361414071 481885428 642513904 722828142 963770856 1285027808 1445656284 1927541712 2570055616 2891312568 3855083424 5782625136 7710166848 11565250272 23130500544