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13109180 = 225793637
BaseRepresentation
bin110010000000…
…011110111100
3220200000102012
4302000132330
511323443210
61144550352
7216266120
oct62003674
926600365
1013109180
117444137
1244823b8
13293cb16
141a53580
15123e305
hexc807bc

13109180 has 24 divisors (see below), whose sum is σ = 31462368. Its totient is φ = 4494528.

The previous prime is 13109171. The next prime is 13109197. The reversal of 13109180 is 8190131.

It is a congruent number.

It is an unprimeable number.

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, 46679 + ... + 46958.

It is an arithmetic number, because the mean of its divisors is an integer number (1310932).

Almost surely, 213109180 is an apocalyptic number.

13109180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13109180 is an abundant number, since it is smaller than the sum of its proper divisors (18353188).

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

13109180 is a wasteful number, since it uses less digits than its factorization.

13109180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93653 (or 93651 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 13109180 is about 3620.6601607994. The cubic root of 13109180 is about 235.7898876823.

The spelling of 13109180 in words is "thirteen million, one hundred nine thousand, one hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 93637 187274 374548 468185 655459 936370 1310918 1872740 2621836 3277295 6554590 13109180