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79613670552 = 233132128315299
BaseRepresentation
bin100101000100101011…
…0000011010010011000
321121111102011111121220
41022021112003102120
52301022044424202
6100323553132040
75515621014453
oct1121126032230
9247442144556
1079613670552
1130844929049
121351a55a020
13767a09ba00
143bd373249a
15210e60aabc
hex1289583498

79613670552 has 96 divisors (see below), whose sum is σ = 215704296000. Its totient is φ = 24475820928.

The previous prime is 79613670529. The next prime is 79613670641. The reversal of 79613670552 is 25507631697.

It is a junction number, because it is equal to n+sod(n) for n = 79613670495 and 79613670504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5196199 + ... + 5211497.

It is an arithmetic number, because the mean of its divisors is an integer number (2246919750).

Almost surely, 279613670552 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 79613670552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107852148000).

79613670552 is an abundant number, since it is smaller than the sum of its proper divisors (136090625448).

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

79613670552 is a wasteful number, since it uses less digits than its factorization.

79613670552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16617 (or 16600 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 79613670552 in words is "seventy-nine billion, six hundred thirteen million, six hundred seventy thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 169 312 338 507 676 1014 1283 1352 2028 2566 3849 4056 5132 7698 10264 15299 15396 16679 30598 30792 33358 45897 50037 61196 66716 91794 100074 122392 133432 183588 198887 200148 216827 367176 397774 400296 433654 596661 650481 795548 867308 1193322 1300962 1591096 1734616 2386644 2585531 2601924 4773288 5171062 5203848 7756593 10342124 15513186 19628617 20684248 31026372 39257234 58885851 62052744 78514468 117771702 157028936 235543404 255172021 471086808 510344042 765516063 1020688084 1531032126 2041376168 3062064252 3317236273 6124128504 6634472546 9951708819 13268945092 19903417638 26537890184 39806835276 79613670552