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78530318340804 = 2232111910437309721
BaseRepresentation
bin10001110110110001000011…
…101110101001001011000100
3101022001102110220112011202200
4101312301003232221023010
540243120042443401204
6435004155154034500
722353425332126041
oct2166610356511304
9338042426464680
1078530318340804
1123027580470a60
128983850878a30
1334a84b9a60955
141556c5db5c1c8
15912b490eb539
hex476c43ba92c4

78530318340804 has 72 divisors (see below), whose sum is σ = 227950844328480. Its totient is φ = 22544588995200.

The previous prime is 78530318340767. The next prime is 78530318340809. The reversal of 78530318340804 is 40804381303587.

It is a happy number.

78530318340804 is a `hidden beast` number, since 7 + 8 + 53 + 0 + 3 + 183 + 408 + 0 + 4 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (78530318340809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5218647337 + ... + 5218662384.

Almost surely, 278530318340804 is an apocalyptic number.

It is an amenable number.

78530318340804 is an abundant number, since it is smaller than the sum of its proper divisors (149420525987676).

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

78530318340804 is a wasteful number, since it uses less digits than its factorization.

78530318340804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10437309761 (or 10437309756 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 78530318340804 in words is "seventy-eight trillion, five hundred thirty billion, three hundred eighteen million, three hundred forty thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 33 36 38 44 57 66 76 99 114 132 171 198 209 228 342 396 418 627 684 836 1254 1881 2508 3762 7524 10437309721 20874619442 31311929163 41749238884 62623858326 93935787489 114810406931 125247716652 187871574978 198308884699 229620813862 344431220793 375743149956 396617769398 459241627724 594926654097 688862441586 793235538796 1033293662379 1189853308194 1377724883172 1784779962291 2066587324758 2181397731689 2379706616388 3569559924582 4133174649516 4362795463378 6544193195067 7139119849164 8725590926756 13088386390134 19632579585201 26176772780268 39265159170402 78530318340804