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130538913 = 3349124679
BaseRepresentation
bin1111100011111…
…01110110100001
3100002122001201120
413301331312201
5231404221123
620541522453
73143363631
oct761756641
9302561646
10130538913
116775a8aa
1237873429
1321076b7b
14134a06c1
15b6d82e3
hex7c7dda1

130538913 has 8 divisors (see below), whose sum is σ = 174552000. Its totient is φ = 86775888.

The previous prime is 130538897. The next prime is 130538939. The reversal of 130538913 is 319835031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130538913 - 24 = 130538897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130538983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61293 + ... + 63386.

It is an arithmetic number, because the mean of its divisors is an integer number (21819000).

Almost surely, 2130538913 is an apocalyptic number.

It is an amenable number.

130538913 is a deficient number, since it is larger than the sum of its proper divisors (44013087).

130538913 is a wasteful number, since it uses less digits than its factorization.

130538913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125031.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 130538913 is about 11425.3627075905. The cubic root of 130538913 is about 507.2787429637.

The spelling of 130538913 in words is "one hundred thirty million, five hundred thirty-eight thousand, nine hundred thirteen".

Divisors: 1 3 349 1047 124679 374037 43512971 130538913