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308486032418421 = 3211213374114364109
BaseRepresentation
bin100011000100100010000000…
…0011000010110011001110101
31111110020222101000002001002200
41012021010000120112121311
5310413213343244342141
63012032305445455113
7121656244314050544
oct10611040030263165
91443228330061080
10308486032418421
118a3252120a4400
122a7227b0111499
1310319153478870
145626b3726015b
15259e66a079ab6
hex1189100616675

308486032418421 has 144 divisors (see below), whose sum is σ = 554925444069360. Its totient is φ = 163819778918400.

The previous prime is 308486032418401. The next prime is 308486032418437. The reversal of 308486032418421 is 124814230684803.

308486032418421 is a `hidden beast` number, since 3 + 0 + 8 + 4 + 8 + 603 + 2 + 4 + 1 + 8 + 4 + 21 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 6188347794321 + 302297684624100 = 2487639^2 + 17386710^2 .

It is not a de Polignac number, because 308486032418421 - 215 = 308486032385653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308486032418401) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14294115 + ... + 28658223.

Almost surely, 2308486032418421 is an apocalyptic number.

It is an amenable number.

308486032418421 is a deficient number, since it is larger than the sum of its proper divisors (246439411650939).

308486032418421 is a wasteful number, since it uses less digits than its factorization.

308486032418421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364228 (or 14364214 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 308486032418421 in words is "three hundred eight trillion, four hundred eighty-six billion, thirty-two million, four hundred eighteen thousand, four hundred twenty-one".

Divisors: 1 3 9 11 13 33 37 39 41 99 111 117 121 123 143 333 363 369 407 429 451 481 533 1089 1221 1287 1353 1443 1517 1573 1599 3663 4059 4329 4477 4551 4719 4797 4961 5291 5863 13431 13653 14157 14883 15873 16687 17589 19721 40293 44649 47619 50061 52767 58201 59163 64493 150183 174603 177489 183557 193479 216931 523809 550671 580437 650793 1652013 1952379 2386241 7158723 14364109 21476169 43092327 129276981 158005199 186733417 474015597 531472033 560200251 588928469 1422046791 1594416099 1680600753 1738057189 1766785407 2054067587 4783248297 5214171567 5300356221 5846192363 6162202761 6478213159 6909136429 7656070097 15642514701 17538577089 18486608283 19434639477 20727409287 21790353353 22594743457 22968210291 52615731267 58303918431 62182227861 64308115993 65371060059 67784230371 68904630873 71260344749 76000500719 84216771067 192924347979 196113180177 203352691113 213781034247 228001502157 239693886883 252650313201 283274593589 578773043937 641343102741 684004506471 719081660649 757950939603 836005507909 849823780767 926384481737 2157244981947 2508016523727 2549471342301 2636632755713 2779153445211 3116020529479 7524049571181 7909898267139 8337460335633 9348061588437 23729694801417 28044184765311 34276225824269 102828677472807 308486032418421