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78530568126132 = 22328123289017831
BaseRepresentation
bin10001110110110001010010…
…100111011111111010110100
3101022001110010022112120211010
4101312301102213133322310
540243121100420014012
6435004240035512220
722353434454225123
oct2166612247377264
9338043108476733
1078530568126132
1123027699468411
128983900458670
1334a8529729715
141556c84dbdaba
15912b60edbc3c
hex476c529dfeb4

78530568126132 has 24 divisors (see below), whose sum is σ = 183890084801472. Its totient is φ = 26083699969600.

The previous prime is 78530568126091. The next prime is 78530568126151. The reversal of 78530568126132 is 23162186503587.

It is a super-2 number, since 2×785305681261322 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11644505544 + ... + 11644512287.

It is an arithmetic number, because the mean of its divisors is an integer number (7662086866728).

Almost surely, 278530568126132 is an apocalyptic number.

It is an amenable number.

78530568126132 is an abundant number, since it is smaller than the sum of its proper divisors (105359516675340).

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

78530568126132 is a wasteful number, since it uses less digits than its factorization.

78530568126132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23289018119 (or 23289018117 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 78530568126132 in words is "seventy-eight trillion, five hundred thirty billion, five hundred sixty-eight million, one hundred twenty-six thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 281 562 843 1124 1686 3372 23289017831 46578035662 69867053493 93156071324 139734106986 279468213972 6544214010511 13088428021022 19632642031533 26176856042044 39265284063066 78530568126132