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84721996888704 = 2732729362282759
BaseRepresentation
bin10011010000110111100000…
…100001110111101010000000
3102002222100021122001211212200
4103100313200201313222000
542101041122200414304
6500104425325353200
723562651030330030
oct2320674041675200
9362870248054780
1084721996888704
1124aa444060046a
129603835408800
1338373333ca656
1416cc7d07a98c0
159bdc30bb2e39
hex4d0de0877a80

84721996888704 has 192 divisors, whose sum is σ = 288232163856000. Its totient is φ = 23371585284096.

The previous prime is 84721996888693. The next prime is 84721996888721. The reversal of 84721996888704 is 40788869912748.

84721996888704 is a `hidden beast` number, since 8 + 472 + 1 + 9 + 9 + 68 + 8 + 87 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180907524 + ... + 181375235.

It is an arithmetic number, because the mean of its divisors is an integer number (1501209186750).

Almost surely, 284721996888704 is an apocalyptic number.

84721996888704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

84721996888704 is an abundant number, since it is smaller than the sum of its proper divisors (203510166967296).

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

84721996888704 is a wasteful number, since it uses less digits than its factorization.

84721996888704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362282815 (or 362282800 counting only the distinct ones).

The product of its (nonzero) digits is 3121348608, while the sum is 81.

The spelling of 84721996888704 in words is "eighty-four trillion, seven hundred twenty-one billion, nine hundred ninety-six million, eight hundred eighty-eight thousand, seven hundred four".