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78850346423124 = 223193671103854333
BaseRepresentation
bin10001111011011011000110…
…111000111001001101010100
3101100012000112012211012110110
4101323123012320321031110
540313341002141014444
6435411203222323020
722415515043006103
oct2173330670711524
9340160465735413
1078850346423124
1123140275a27a01
128a15885589470
1334cc72c01a333
14156853cbb603a
1591b129c21cb9
hex47b6c6e39354

78850346423124 has 96 divisors (see below), whose sum is σ = 194371510394880. Its totient is φ = 24809719264128.

The previous prime is 78850346423111. The next prime is 78850346423161. The reversal of 78850346423124 is 42132464305887.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91867462 + ... + 92721794.

It is an arithmetic number, because the mean of its divisors is an integer number (2024703233280).

Almost surely, 278850346423124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78850346423124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97185755197440).

78850346423124 is an abundant number, since it is smaller than the sum of its proper divisors (115521163971756).

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

78850346423124 is a wasteful number, since it uses less digits than its factorization.

78850346423124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855829 (or 855827 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 57.

The spelling of 78850346423124 in words is "seventy-eight trillion, eight hundred fifty billion, three hundred forty-six million, four hundred twenty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 367 734 1101 1103 1468 2202 2206 3309 4404 4412 6618 6973 13236 13946 20919 20957 27892 41838 41914 62871 83676 83828 125742 251484 404801 809602 854333 1214403 1619204 1708666 2428806 2562999 3417332 4857612 5125998 7691219 10251996 15382438 16232327 23073657 30764876 32464654 46147314 48696981 64929308 92294628 97393962 194787924 313540211 627080422 940620633 942329299 1254160844 1881241266 1884658598 2826987897 3762482532 3769317196 5653975794 5957264009 11307951588 11914528018 17871792027 17904256681 23829056036 35743584054 35808513362 53712770043 71487168108 71617026724 107425540086 214851080172 345834852733 691669705466 1037504558199 1383339410932 2075009116398 4150018232796 6570862201927 13141724403854 19712586605781 26283448807708 39425173211562 78850346423124