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89483647680 = 263257311311093
BaseRepresentation
bin101001101010110100…
…1000001101011000000
322112222021021021220100
41103111221001223000
52431230303211210
6105035213042400
76315326312130
oct1232551015300
9275867237810
1089483647680
1134a4a205a39
1215413a86400
138590b6316b
14448c4caac0
1524dad835c0
hex14d5a41ac0

89483647680 has 672 divisors, whose sum is σ = 366209445888. Its totient is φ = 19624550400.

The previous prime is 89483647637. The next prime is 89483647697. The reversal of 89483647680 is 8674638498.

89483647680 is a `hidden beast` number, since 8 + 9 + 4 + 83 + 6 + 476 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 81869214 + ... + 81870306.

Almost surely, 289483647680 is an apocalyptic number.

89483647680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89483647680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183104722944).

89483647680 is an abundant number, since it is smaller than the sum of its proper divisors (276725798208).

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

89483647680 is a wasteful number, since it uses less digits than its factorization.

89483647680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 89483647680 in words is "eighty-nine billion, four hundred eighty-three million, six hundred forty-seven thousand, six hundred eighty".