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104102140025 = 5213320314277
BaseRepresentation
bin110000011110011111…
…0001001100001111001
3100221201001112122110202
41200330332021201321
53201200121440100
6115453542051545
710343514406262
oct1407476114171
9327631478422
10104102140025
1140170a42674
1218213719bb5
139a80643a30
145077ba1969
152a944387d5
hex183cf89879

104102140025 has 12 divisors (see below), whose sum is σ = 139016396652. Its totient is φ = 76875426240.

The previous prime is 104102139997. The next prime is 104102140027. The reversal of 104102140025 is 520041201401.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 31169196304 + 72932943721 = 176548^2 + 270061^2 .

It is a de Polignac number, because none of the positive numbers 2k-104102140025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104102139979 and 104102140006.

It is not an unprimeable number, because it can be changed into a prime (104102140027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160156814 + ... + 160157463.

It is an arithmetic number, because the mean of its divisors is an integer number (11584699721).

Almost surely, 2104102140025 is an apocalyptic number.

It is an amenable number.

104102140025 is a deficient number, since it is larger than the sum of its proper divisors (34914256627).

104102140025 is a wasteful number, since it uses less digits than its factorization.

104102140025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320314300 (or 320314295 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 104102140025 its reverse (520041201401), we get a palindrome (624143341426).

The spelling of 104102140025 in words is "one hundred four billion, one hundred two million, one hundred forty thousand, twenty-five".

Divisors: 1 5 13 25 65 325 320314277 1601571385 4164085601 8007856925 20820428005 104102140025