Base | Representation |
---|---|
bin | 10110101001000100… |
… | …01000101100010100 |
3 | 1011101011000010222002 |
4 | 23110202020230110 |
5 | 144343321343014 |
6 | 5330105454432 |
7 | 610141226144 |
oct | 132442105424 |
9 | 34334003862 |
10 | 12155652884 |
11 | 5178604a21 |
12 | 2432aa1418 |
13 | 11b949271b |
14 | 834578924 |
15 | 4b2269dde |
hex | 2d4888b14 |
12155652884 has 12 divisors (see below), whose sum is σ = 21298120704. Its totient is φ = 6070475544.
The previous prime is 12155652869. The next prime is 12155652907. The reversal of 12155652884 is 48825655121.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 1834004 + ... + 1840619.
It is an arithmetic number, because the mean of its divisors is an integer number (1774843392).
Almost surely, 212155652884 is an apocalyptic number.
It is an amenable number.
12155652884 is a deficient number, since it is larger than the sum of its proper divisors (9142467820).
12155652884 is a wasteful number, since it uses less digits than its factorization.
12155652884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3675454 (or 3675452 counting only the distinct ones).
The product of its digits is 768000, while the sum is 47.
The spelling of 12155652884 in words is "twelve billion, one hundred fifty-five million, six hundred fifty-two thousand, eight hundred eighty-four".
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