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130125710 = 25111390997
BaseRepresentation
bin1111100000110…
…00111110001110
3100001212001220202
413300120332032
5231303010320
620525013502
73140023151
oct760307616
9301761822
10130125710
11674a8410
12376b4292
1320c60a80
14133d3c98
15b655b75
hex7c18f8e

130125710 has 32 divisors (see below), whose sum is σ = 275177952. Its totient is φ = 43678080.

The previous prime is 130125691. The next prime is 130125733. The reversal of 130125710 is 17521031.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44069 + ... + 46928.

It is an arithmetic number, because the mean of its divisors is an integer number (8599311).

Almost surely, 2130125710 is an apocalyptic number.

130125710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130125710 is an abundant number, since it is smaller than the sum of its proper divisors (145052242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130125710 is a wasteful number, since it uses less digits than its factorization.

130125710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91028.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 130125710 is about 11407.2656671088. The cubic root of 130125710 is about 506.7429368292.

Adding to 130125710 its reverse (17521031), we get a palindrome (147646741).

The spelling of 130125710 in words is "one hundred thirty million, one hundred twenty-five thousand, seven hundred ten".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 90997 181994 454985 909970 1000967 1182961 2001934 2365922 5004835 5914805 10009670 11829610 13012571 26025142 65062855 130125710