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80479449386154 = 232713478811026143
BaseRepresentation
bin10010010011001000010100…
…111111100000110010101010
3101112221202112012110101102100
4102103020110333200302222
541022033403020324104
6443055425412514230
722644306531503640
oct2223102477406252
9345852465411370
1080479449386154
11237091630a1255
12903955891b976
1335ba24450b650
1415c3324723190
159486c62db139
hex493214fe0caa

80479449386154 has 96 divisors (see below), whose sum is σ = 214616556370944. Its totient is φ = 21224885310720.

The previous prime is 80479449386143. The next prime is 80479449386191. The reversal of 80479449386154 is 45168394497408.

80479449386154 is a `hidden beast` number, since 8 + 0 + 4 + 7 + 9 + 4 + 493 + 86 + 1 + 54 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77916007 + ... + 78942149.

It is an arithmetic number, because the mean of its divisors is an integer number (2235589128864).

Almost surely, 280479449386154 is an apocalyptic number.

80479449386154 is an abundant number, since it is smaller than the sum of its proper divisors (134137106984790).

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

80479449386154 is a wasteful number, since it uses less digits than its factorization.

80479449386154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074052 (or 1074049 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 72.

The spelling of 80479449386154 in words is "eighty trillion, four hundred seventy-nine billion, four hundred forty-nine million, three hundred eighty-six thousand, one hundred fifty-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 47881 95762 143643 287286 335167 430929 622453 670334 861858 1005501 1026143 1244906 1867359 2011002 2052286 3016503 3078429 3734718 4357171 5602077 6033006 6156858 7183001 8714342 9235287 11204154 13071513 13339859 14366002 18470574 21549003 26143026 26679718 39214539 40019577 43098006 64647009 78429078 80039154 93379013 120058731 129294018 186758026 240117462 280137039 560274078 840411117 1680822234 49132752983 98265505966 147398258949 294796517898 343929270881 442194776847 638725788779 687858541762 884389553694 1031787812643 1277451577558 1916177366337 2063575625286 3095363437929 3832354732674 4471080521453 5748532099011 6190726875858 8942161042906 11497064198022 13413241564359 26826483128718 40239724693077 80479449386154