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10047512880 = 2432513954879
BaseRepresentation
bin10010101101110000…
…01110000100110000
3221221020011112112200
421112320032010300
5131034130403010
64341001023200
7503662310316
oct112670160460
927836145480
1010047512880
114296617159
121b44a84b00
13c417b47c2
146b45b00b6
153dc145cc0
hex256e0e130

10047512880 has 60 divisors (see below), whose sum is σ = 33742899840. Its totient is φ = 2679336576.

The previous prime is 10047512831. The next prime is 10047512887. The reversal of 10047512880 is 8821574001.

10047512880 is a `hidden beast` number, since 100 + 475 + 1 + 2 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10047512887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6976720 + ... + 6978159.

It is an arithmetic number, because the mean of its divisors is an integer number (562381664).

Almost surely, 210047512880 is an apocalyptic number.

10047512880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10047512880 is an abundant number, since it is smaller than the sum of its proper divisors (23695386960).

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

10047512880 is a wasteful number, since it uses less digits than its factorization.

10047512880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13954898 (or 13954889 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 10047512880 in words is "ten billion, forty-seven million, five hundred twelve thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 13954879 27909758 41864637 55819516 69774395 83729274 111639032 125593911 139548790 167458548 209323185 223278064 251187822 279097580 334917096 418646370 502375644 558195160 627969555 669834192 837292740 1004751288 1116390320 1255939110 1674585480 2009502576 2511878220 3349170960 5023756440 10047512880