Base | Representation |
---|---|
bin | 10110101000100110… |
… | …01000011100100000 |
3 | 1011100212121022200001 |
4 | 23110103020130200 |
5 | 144341320012322 |
6 | 5325445305344 |
7 | 610062625156 |
oct | 132423103440 |
9 | 34325538601 |
10 | 12151719712 |
11 | 5176368970 |
12 | 2431705254 |
13 | 11b87163c2 |
14 | 833c333d6 |
15 | 4b1c3e827 |
hex | 2d44c8720 |
12151719712 has 48 divisors (see below), whose sum is σ = 26107601184. Its totient is φ = 5521600000.
The previous prime is 12151719707. The next prime is 12151719721. The reversal of 12151719712 is 21791715121.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
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 7 ways as a sum of consecutive naturals, for example, 1732212 + ... + 1739212.
It is an arithmetic number, because the mean of its divisors is an integer number (543908358).
Almost surely, 212151719712 is an apocalyptic number.
It is an amenable number.
12151719712 is an abundant number, since it is smaller than the sum of its proper divisors (13955881472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12151719712 is a wasteful number, since it uses less digits than its factorization.
12151719712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11953 (or 11945 counting only the distinct ones).
The product of its digits is 8820, while the sum is 37.
The spelling of 12151719712 in words is "twelve billion, one hundred fifty-one million, seven hundred nineteen thousand, seven hundred twelve".
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