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130152724 = 22132502937
BaseRepresentation
bin1111100000111…
…11100100010100
3100001220102222021
413300133210110
5231304341344
620525342524
73140165002
oct760374424
9301812867
10130152724
1167516739
1237707a44
1320c70160
14133dda72
15b65db84
hex7c1f914

130152724 has 12 divisors (see below), whose sum is σ = 245287924. Its totient is φ = 60070464.

The previous prime is 130152719. The next prime is 130152739. The reversal of 130152724 is 427251031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59290000 + 70862724 = 7700^2 + 8418^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251417 + ... + 1251520.

Almost surely, 2130152724 is an apocalyptic number.

It is an amenable number.

130152724 is a deficient number, since it is larger than the sum of its proper divisors (115135200).

130152724 is a wasteful number, since it uses less digits than its factorization.

130152724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502954 (or 2502952 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 130152724 is about 11408.4496755694. The cubic root of 130152724 is about 506.7780008877.

The spelling of 130152724 in words is "one hundred thirty million, one hundred fifty-two thousand, seven hundred twenty-four".

Divisors: 1 2 4 13 26 52 2502937 5005874 10011748 32538181 65076362 130152724