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12328878325225 = 527116404612117
BaseRepresentation
bin1011001101101000101001…
…1010011011110111101001
31121122121222201200001101111
42303122022122123313221
53103444020322401400
642115450345550321
72411506045445020
oct263321232336751
947577881601344
1012328878325225
113a23714446290
1214715044a53a1
136b57ba3b40a7
14308a141c78b7
15165a809e03ba
hexb368a69bde9

12328878325225 has 24 divisors (see below), whose sum is σ = 19060125663168. Its totient is φ = 7685534539200.

The previous prime is 12328878325147. The next prime is 12328878325229. The reversal of 12328878325225 is 52252387882321.

It is not a de Polignac number, because 12328878325225 - 215 = 12328878292457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12328878325225.

It is not an unprimeable number, because it can be changed into a prime (12328878325229) 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, 3202304134 + ... + 3202307983.

It is an arithmetic number, because the mean of its divisors is an integer number (794171902632).

Almost surely, 212328878325225 is an apocalyptic number.

It is an amenable number.

12328878325225 is a deficient number, since it is larger than the sum of its proper divisors (6731247337943).

12328878325225 is a wasteful number, since it uses less digits than its factorization.

12328878325225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404612145 (or 6404612140 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 58.

The spelling of 12328878325225 in words is "twelve trillion, three hundred twenty-eight billion, eight hundred seventy-eight million, three hundred twenty-five thousand, two hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 6404612117 32023060585 44832284819 70450733287 160115302925 224161424095 352253666435 493155133009 1120807120475 1761268332175 2465775665045 12328878325225