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89809624744 = 23726927721523
BaseRepresentation
bin101001110100100010…
…0100001111010101000
322120210222122122100221
41103221010201322220
52432412230442434
6105131415535424
76326365133440
oct1235104417250
9276728578327
1089809624744
11350a7212374
12154a508a574
138613557ab8
1444bd903120
1525097c42b4
hex14e9121ea8

89809624744 has 64 divisors (see below), whose sum is σ = 193870972800. Its totient is φ = 38206543104.

The previous prime is 89809624721. The next prime is 89809624771. The reversal of 89809624744 is 44742690898.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4161967 + ... + 4183489.

It is an arithmetic number, because the mean of its divisors is an integer number (3029233950).

Almost surely, 289809624744 is an apocalyptic number.

It is an amenable number.

89809624744 is an abundant number, since it is smaller than the sum of its proper divisors (104061348056).

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

89809624744 is a wasteful number, since it uses less digits than its factorization.

89809624744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22082 (or 22078 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 89809624744 in words is "eighty-nine billion, eight hundred nine million, six hundred twenty-four thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 269 277 538 554 1076 1108 1883 1939 2152 2216 3766 3878 7532 7756 15064 15512 21523 43046 74513 86092 149026 150661 172184 298052 301322 521591 596104 602644 1043182 1205288 2086364 4172728 5789687 5961871 11579374 11923742 23158748 23847484 40527809 41733097 46317496 47694968 81055618 83466194 162111236 166932388 324222472 333864776 1603743299 3207486598 6414973196 11226203093 12829946392 22452406186 44904812372 89809624744