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89402527872 = 273473179503
BaseRepresentation
bin101001101000011001…
…1100101000010000000
322112202121121222110000
41103100303211002000
52431044021342442
6105023154240000
76313322643210
oct1232063450200
9275677558400
1089402527872
1134a0843a479
12153b0886000
13857a100188
144481812240
1524d3bacd4c
hex14d0ce5080

89402527872 has 640 divisors, whose sum is σ = 318482841600. Its totient is φ = 24358164480.

The previous prime is 89402527853. The next prime is 89402527909. The reversal of 89402527872 is 27872520498.

89402527872 is a `hidden beast` number, since 8 + 9 + 40 + 2 + 527 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 177738373 + ... + 177738875.

It is an arithmetic number, because the mean of its divisors is an integer number (497629440).

Almost surely, 289402527872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89402527872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159241420800).

89402527872 is an abundant number, since it is smaller than the sum of its proper divisors (229080313728).

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

89402527872 is a wasteful number, since it uses less digits than its factorization.

89402527872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 89402527872 in words is "eighty-nine billion, four hundred two million, five hundred twenty-seven thousand, eight hundred seventy-two".