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12730194 = 2325911987
BaseRepresentation
bin110000100011…
…111101010010
3212221202112200
4300203331102
511224331234
61132504030
7213130161
oct60437522
925852480
1012730194
117205424
12431b016
132839479
1419953d8
1511b6d99
hexc23f52

12730194 has 24 divisors (see below), whose sum is σ = 28051920. Its totient is φ = 4171128.

The previous prime is 12730169. The next prime is 12730283. The reversal of 12730194 is 49103721.

12730194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4932 + ... + 7055.

It is an arithmetic number, because the mean of its divisors is an integer number (1168830).

Almost surely, 212730194 is an apocalyptic number.

12730194 is an abundant number, since it is smaller than the sum of its proper divisors (15321726).

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

12730194 is a wasteful number, since it uses less digits than its factorization.

12730194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054 (or 12051 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12730194 is about 3567.9397416436. The cubic root of 12730194 is about 233.4954062193.

The spelling of 12730194 in words is "twelve million, seven hundred thirty thousand, one hundred ninety-four".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 11987 23974 35961 71922 107883 215766 707233 1414466 2121699 4243398 6365097 12730194