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102164285225 = 524086571409
BaseRepresentation
bin101111100100101110…
…1110100011100101001
3100202201000010102102202
41133021131310130221
53133213024111400
6114533355105545
710244504044652
oct1371135643451
9322630112382
10102164285225
113a367091682
12179727422b5
139832017ba2
144d32682529
1529ce24e4d5
hex17c9774729

102164285225 has 6 divisors (see below), whose sum is σ = 126683713710. Its totient is φ = 81731428160.

The previous prime is 102164285203. The next prime is 102164285231. The reversal of 102164285225 is 522582461201.

It can be written as a sum of positive squares in 3 ways, for example, as 11397057049 + 90767228176 = 106757^2 + 301276^2 .

It is not a de Polignac number, because 102164285225 - 212 = 102164281129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2043285680 + ... + 2043285729.

It is an arithmetic number, because the mean of its divisors is an integer number (21113952285).

Almost surely, 2102164285225 is an apocalyptic number.

It is an amenable number.

102164285225 is a deficient number, since it is larger than the sum of its proper divisors (24519428485).

102164285225 is an equidigital number, since it uses as much as digits as its factorization.

102164285225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086571419 (or 4086571414 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 102164285225 in words is "one hundred two billion, one hundred sixty-four million, two hundred eighty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 4086571409 20432857045 102164285225