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68858160925062 = 2319113151216116381
BaseRepresentation
bin11111010100000010010100…
…01110001100100110000110
3100000210202221121221210000210
433222001022032030212012
533011133003144100222
6402241000305220250
720334560263444125
oct1752011216144606
9300722847853023
1068858160925062
111aa38644793953
12788120a931686
132c563b1b57672
141300a77865abc
157e625ad86d0c
hex3ea04a38c986

68858160925062 has 128 divisors (see below), whose sum is σ = 147293062548480. Its totient is φ = 21398307840000.

The previous prime is 68858160925019. The next prime is 68858160925087. The reversal of 68858160925062 is 26052906185886.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68858160924984 and 68858160925002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4203530112 + ... + 4203546492.

It is an arithmetic number, because the mean of its divisors is an integer number (1150727051160).

Almost surely, 268858160925062 is an apocalyptic number.

68858160925062 is an abundant number, since it is smaller than the sum of its proper divisors (78434901623418).

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

68858160925062 is a wasteful number, since it uses less digits than its factorization.

68858160925062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18830.

The product of its (nonzero) digits is 99532800, while the sum is 66.

The spelling of 68858160925062 in words is "sixty-eight trillion, eight hundred fifty-eight billion, one hundred sixty million, nine hundred twenty-five thousand, sixty-two".

Divisors: 1 2 3 6 19 38 57 113 114 151 226 302 339 453 678 906 2147 2161 2869 4294 4322 5738 6441 6483 8607 12882 12966 16381 17063 17214 32762 34126 41059 49143 51189 82118 98286 102378 123177 244193 246354 311239 324197 326311 488386 622478 648394 652622 732579 933717 972591 978933 1465158 1851053 1867434 1945182 1957866 2473531 3702106 4639667 4947062 5553159 6199909 7420593 9279334 11106318 12399818 13919001 14841186 18599727 27838002 35170007 35399341 36873143 37199454 46997089 70340014 70798682 73746286 93994178 105510021 106198023 110619429 140991267 211020042 212396046 221238858 279509003 281982534 559018006 672587479 700589717 838527009 1345174958 1401179434 1677054018 2017762437 2101769151 4000125533 4035524874 4203538302 5310671057 5345300491 8000251066 10621342114 10690600982 12000376599 15932013171 16035901473 24000753198 31864026342 32071802946 76002385127 101560709329 152004770254 203121418658 228007155381 304682127987 456014310762 604018955483 609364255974 1208037910966 1812056866449 3624113732898 11476360154177 22952720308354 34429080462531 68858160925062