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83800668465625 = 5526816213909
BaseRepresentation
bin10011000011011101011101…
…000100110110100111011001
3101222201021011200002121111211
4103003131131010312213121
541440442232111400000
6454121255020023121
723436253454052016
oct2303353504664731
9358637150077454
1083800668465625
1124779733740741
12949516a391aa1
13379b4a4c89677
141699d8c8dc70d
159a4caaeb37ba
hex4c375d1369d9

83800668465625 has 12 divisors (see below), whose sum is σ = 104744131532460. Its totient is φ = 67040534770000.

The previous prime is 83800668465589. The next prime is 83800668465649. The reversal of 83800668465625 is 52656486600838.

It can be written as a sum of positive squares in 6 ways, for example, as 57999998387529 + 25800670078096 = 7615773^2 + 5079436^2 .

It is not a de Polignac number, because 83800668465625 - 27 = 83800668465497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13408103830 + ... + 13408110079.

It is an arithmetic number, because the mean of its divisors is an integer number (8728677627705).

Almost surely, 283800668465625 is an apocalyptic number.

It is an amenable number.

83800668465625 is a deficient number, since it is larger than the sum of its proper divisors (20943463066835).

83800668465625 is an frugal number, since it uses more digits than its factorization.

83800668465625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26816213934 (or 26816213914 counting only the distinct ones).

The product of its (nonzero) digits is 398131200, while the sum is 67.

The spelling of 83800668465625 in words is "eighty-three trillion, eight hundred billion, six hundred sixty-eight million, four hundred sixty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 3125 26816213909 134081069545 670405347725 3352026738625 16760133693125 83800668465625