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13130254025 = 52775030023
BaseRepresentation
bin11000011101001111…
…11100011011001001
31020220001220000101122
430032213330123021
5203342321112100
610010522525025
7643244213660
oct141647743311
936801800348
1013130254025
115628760209
122665366775
131313378ca5
148c7b93dd7
1551cad0985
hex30e9fc6c9

13130254025 has 12 divisors (see below), whose sum is σ = 18607445952. Its totient is φ = 9003602640.

The previous prime is 13130254021. The next prime is 13130254031. The reversal of 13130254025 is 52045203131.

It is a happy number.

It is not a de Polignac number, because 13130254025 - 22 = 13130254021 is a prime.

It is a super-2 number, since 2×131302540252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13130253985 and 13130254003.

It is not an unprimeable number, because it can be changed into a prime (13130254021) 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, 37514837 + ... + 37515186.

It is an arithmetic number, because the mean of its divisors is an integer number (1550620496).

Almost surely, 213130254025 is an apocalyptic number.

It is an amenable number.

13130254025 is a deficient number, since it is larger than the sum of its proper divisors (5477191927).

13130254025 is an equidigital number, since it uses as much as digits as its factorization.

13130254025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75030040 (or 75030035 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13130254025 its reverse (52045203131), we get a palindrome (65175457156).

The spelling of 13130254025 in words is "thirteen billion, one hundred thirty million, two hundred fifty-four thousand, twenty-five".

Divisors: 1 5 7 25 35 175 75030023 375150115 525210161 1875750575 2626050805 13130254025