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12655346212 = 22236112371823
BaseRepresentation
bin10111100100101000…
…10100001000100100
31012122222021012100101
423302110110020210
5201404232034322
65451435553444
7625416445045
oct136224241044
935588235311
1012655346212
115404681a13
1225522bb884
131268b6b052
14880a908cc
154e1072327
hex2f2514224

12655346212 has 48 divisors (see below), whose sum is σ = 23520494592. Its totient is φ = 5945258880.

The previous prime is 12655346203. The next prime is 12655346351. The reversal of 12655346212 is 21264355621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6941133 + ... + 6942955.

It is an arithmetic number, because the mean of its divisors is an integer number (490010304).

Almost surely, 212655346212 is an apocalyptic number.

It is an amenable number.

12655346212 is a deficient number, since it is larger than the sum of its proper divisors (10865148380).

12655346212 is a wasteful number, since it uses less digits than its factorization.

12655346212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148 (or 3146 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The spelling of 12655346212 in words is "twelve billion, six hundred fifty-five million, three hundred forty-six thousand, two hundred twelve".

Divisors: 1 2 4 23 46 61 92 122 244 1237 1403 1823 2474 2806 3646 4948 5612 7292 28451 41929 56902 75457 83858 111203 113804 150914 167716 222406 301828 444812 1735511 2255051 2557669 3471022 4510102 5115338 6942044 9020204 10230676 51866173 103732346 137558111 207464692 275116222 550232444 3163836553 6327673106 12655346212