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12145694116 = 2218191166919
BaseRepresentation
bin10110100111111000…
…01001010110100100
31011100110021012002211
423103330021112210
5144333244202431
65325112213204
7606660460633
oct132374112644
934313235084
1012145694116
115172a22836
12242b69a204
1311b73b686a
1483310551a
154b144e2b1
hex2d3f095a4

12145694116 has 12 divisors (see below), whose sum is σ = 21256260480. Its totient is φ = 6072476840.

The previous prime is 12145694059. The next prime is 12145694117. The reversal of 12145694116 is 61149654121.

12145694116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12145694117) 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 3 ways as a sum of consecutive naturals, for example, 10696 + ... + 156223.

It is an arithmetic number, because the mean of its divisors is an integer number (1771355040).

Almost surely, 212145694116 is an apocalyptic number.

It is an amenable number.

12145694116 is a deficient number, since it is larger than the sum of its proper divisors (9110566364).

12145694116 is a wasteful number, since it uses less digits than its factorization.

12145694116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185114 (or 185112 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The spelling of 12145694116 in words is "twelve billion, one hundred forty-five million, six hundred ninety-four thousand, one hundred sixteen".

Divisors: 1 2 4 18191 36382 72764 166919 333838 667676 3036423529 6072847058 12145694116