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89662858320 = 2435753370749
BaseRepresentation
bin101001110000001010…
…0101010010001010000
322120102202111010200110
41103200110222101100
52432112142431240
6105105054121320
76322633502130
oct1234024522120
9276382433613
1089662858320
1135031389602
1215463ab0240
1385bc01b969
1444a821aac0
1524eb982c80
hex14e052a450

89662858320 has 80 divisors (see below), whose sum is σ = 317662704000. Its totient is φ = 20494367232.

The previous prime is 89662858319. The next prime is 89662858349. The reversal of 89662858320 is 2385826698.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×896628583202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 26683695 + ... + 26687054.

It is an arithmetic number, because the mean of its divisors is an integer number (3970783800).

Almost surely, 289662858320 is an apocalyptic number.

89662858320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89662858320 is an abundant number, since it is smaller than the sum of its proper divisors (227999845680).

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

89662858320 is a wasteful number, since it uses less digits than its factorization.

89662858320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53370772 (or 53370766 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 89662858320 in words is "eighty-nine billion, six hundred sixty-two million, eight hundred fifty-eight thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 53370749 106741498 160112247 213482996 266853745 320224494 373595243 426965992 533707490 640448988 747190486 800561235 853931984 1067414980 1120785729 1280897976 1494380972 1601122470 1867976215 2134829960 2241571458 2561795952 2988761944 3202244940 3735952430 4269659920 4483142916 5603928645 5977523888 6404489880 7471904860 8966285832 11207857290 12808979760 14943809720 17932571664 22415714580 29887619440 44831429160 89662858320