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105250104023125 = 54168400166437
BaseRepresentation
bin10111111011100101110011…
…000100000001100001010101
3111210122210220201021102201111
4113323211303010001201111
5102243404203112220000
61011503121424255021
731112032460053525
oct2773456304014125
9453583821242644
10105250104023125
1130599355947006
12b97a212a71471
1346960719bab29
141bdc1bcb27685
15c27be4006cba
hex5fb973101855

105250104023125 has 10 divisors (see below), whose sum is σ = 131520529988078. Its totient is φ = 84200083218000.

The previous prime is 105250104022963. The next prime is 105250104023167. The reversal of 105250104023125 is 521320401052501.

It can be written as a sum of positive squares in 5 ways, for example, as 62077727039364 + 43172376983761 = 7878942^2 + 6570569^2 .

It is not a de Polignac number, because 105250104023125 - 221 = 105250101925973 is a prime.

It is a super-2 number, since 2×1052501040231252 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 84200082594 + ... + 84200083843.

Almost surely, 2105250104023125 is an apocalyptic number.

It is an amenable number.

105250104023125 is a deficient number, since it is larger than the sum of its proper divisors (26270425964953).

105250104023125 is an frugal number, since it uses more digits than its factorization.

105250104023125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168400166457 (or 168400166442 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 105250104023125 its reverse (521320401052501), we get a palindrome (626570505075626).

The spelling of 105250104023125 in words is "one hundred five trillion, two hundred fifty billion, one hundred four million, twenty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 168400166437 842000832185 4210004160925 21050020804625 105250104023125