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130131010 = 2523565787
BaseRepresentation
bin1111100000110…
…10010001000010
3100001212100012001
413300122101002
5231303143020
620525054214
73140044462
oct760322102
9301770161
10130131010
1167501399
12376b736a
1320c632c9
14133d5ba2
15b65750a
hex7c1a442

130131010 has 16 divisors (see below), whose sum is σ = 244420416. Its totient is φ = 49789168.

The previous prime is 130130947. The next prime is 130131011. The reversal of 130131010 is 10131031.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (130131011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282664 + ... + 283123.

It is an arithmetic number, because the mean of its divisors is an integer number (15276276).

Almost surely, 2130131010 is an apocalyptic number.

130131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130131010 is a deficient number, since it is larger than the sum of its proper divisors (114289406).

130131010 is a wasteful number, since it uses less digits than its factorization.

130131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565817.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 130131010 is about 11407.4979728247. The cubic root of 130131010 is about 506.7498165896.

Adding to 130131010 its reverse (10131031), we get a palindrome (140262041).

The spelling of 130131010 in words is "one hundred thirty million, one hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 565787 1131574 2828935 5657870 13013101 26026202 65065505 130131010