Base | Representation |
---|---|
bin | 10110011111001011… |
… | …01001110101001100 |
3 | 1011011100220010212121 |
4 | 23033211221311030 |
5 | 144211102021342 |
6 | 5313543342324 |
7 | 605113106641 |
oct | 131745516514 |
9 | 34140803777 |
10 | 12072688972 |
11 | 5135799a03 |
12 | 240b1519a4 |
13 | 11a5235256 |
14 | 82753ddc8 |
15 | 4a9d2d067 |
hex | 2cf969d4c |
12072688972 has 24 divisors (see below), whose sum is σ = 21400819776. Its totient is φ = 5958299088.
The previous prime is 12072688963. The next prime is 12072688997. The reversal of 12072688972 is 27988627021.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370483 + ... + 401749.
It is an arithmetic number, because the mean of its divisors is an integer number (891700824).
Almost surely, 212072688972 is an apocalyptic number.
It is an amenable number.
12072688972 is a deficient number, since it is larger than the sum of its proper divisors (9328130804).
12072688972 is a wasteful number, since it uses less digits than its factorization.
12072688972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32517 (or 32515 counting only the distinct ones).
The product of its (nonzero) digits is 1354752, while the sum is 52.
The spelling of 12072688972 in words is "twelve billion, seventy-two million, six hundred eighty-eight thousand, nine hundred seventy-two".
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