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12660260612 = 223165065153
BaseRepresentation
bin10111100101001110…
…00011111100000100
31012200022111212122012
423302213003330010
5201412011314422
65452133153352
7625506303536
oct136247037404
935608455565
1012660260612
1154074291aa
122553a8b858
131269b9bb8c
148815ad856
154e16e34e2
hex2f29c3f04

12660260612 has 6 divisors (see below), whose sum is σ = 22155456078. Its totient is φ = 6330130304.

The previous prime is 12660260579. The next prime is 12660260629. The reversal of 12660260612 is 21606206621.

12660260612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12639155776 + 21104836 = 112424^2 + 4594^2 .

It is a super-2 number, since 2×126602606122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1582532573 + ... + 1582532580.

It is an arithmetic number, because the mean of its divisors is an integer number (3692576013).

Almost surely, 212660260612 is an apocalyptic number.

It is an amenable number.

12660260612 is a deficient number, since it is larger than the sum of its proper divisors (9495195466).

12660260612 is a wasteful number, since it uses less digits than its factorization.

12660260612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165065157 (or 3165065155 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 12660260612 in words is "twelve billion, six hundred sixty million, two hundred sixty thousand, six hundred twelve".

Divisors: 1 2 4 3165065153 6330130306 12660260612