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15166405140020 = 2255691471905999
BaseRepresentation
bin1101110010110011010000…
…1100001101111000110100
31222200220010211222100112122
43130230310030031320310
53441441244203440040
652131203401135112
73123510441431321
oct334546414157064
958626124870478
1015166405140020
114918044350192
12184b42648a498
13860255476184
143a60b4d39b48
151b47a65b61b5
hexdcb3430de34

15166405140020 has 48 divisors (see below), whose sum is σ = 31927150080000. Its totient is φ = 6051776720640.

The previous prime is 15166405139969. The next prime is 15166405140053. The reversal of 15166405140020 is 2004150466151.

15166405140020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 16286981 + ... + 17192979.

It is an arithmetic number, because the mean of its divisors is an integer number (665148960000).

Almost surely, 215166405140020 is an apocalyptic number.

15166405140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15166405140020 is an abundant number, since it is smaller than the sum of its proper divisors (16760744939980).

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

15166405140020 is a wasteful number, since it uses less digits than its factorization.

15166405140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908048 (or 908046 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 15166405140020 in words is "fifteen trillion, one hundred sixty-six billion, four hundred five million, one hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 20 569 1138 1471 2276 2845 2942 5690 5884 7355 11380 14710 29420 836999 905999 1673998 1811998 3347996 3623996 4184995 4529995 8369990 9059990 16739980 18119980 515513431 1031026862 1332724529 2062053724 2577567155 2665449058 5155134310 5330898116 6663622645 10310268620 13327245290 26654490580 758320257001 1516640514002 3033281028004 3791601285005 7583202570010 15166405140020