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130011232 = 2513312527
BaseRepresentation
bin1111011111111…
…01000001100000
3100001122020212211
413233331001200
5231240324412
620522331504
73136035331
oct757750140
9301566784
10130011232
116742a3aa
1237659b94
1320c20930
14133a4288
15b631ca7
hex7bfd060

130011232 has 24 divisors (see below), whose sum is σ = 275649696. Its totient is φ = 60004992.

The previous prime is 130011221. The next prime is 130011251. The reversal of 130011232 is 232110031.

130011232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 155848 + ... + 156679.

It is an arithmetic number, because the mean of its divisors is an integer number (11485404).

Almost surely, 2130011232 is an apocalyptic number.

It is an amenable number.

130011232 is an abundant number, since it is smaller than the sum of its proper divisors (145638464).

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

130011232 is a wasteful number, since it uses less digits than its factorization.

130011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312550 (or 312542 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130011232 is about 11402.2467961363. The cubic root of 130011232 is about 506.5942909853.

Adding to 130011232 its reverse (232110031), we get a palindrome (362121263).

The spelling of 130011232 in words is "one hundred thirty million, eleven thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 312527 625054 1250108 2500216 4062851 5000432 8125702 10000864 16251404 32502808 65005616 130011232