Base | Representation |
---|---|
bin | 10111011111010011… |
… | …10110111110000000 |
3 | 1012112212012000111122 |
4 | 23233221312332000 |
5 | 201311312143042 |
6 | 5443202131412 |
7 | 624334601135 |
oct | 135751667600 |
9 | 35485160448 |
10 | 12610662272 |
11 | 539143223a |
12 | 253b350b68 |
13 | 125c824550 |
14 | 878b7c58c |
15 | 4dc1977d2 |
hex | 2efa76f80 |
12610662272 has 128 divisors (see below), whose sum is σ = 28768944960. Its totient is φ = 5461327872.
The previous prime is 12610662269. The next prime is 12610662277. The reversal of 12610662272 is 27226601621.
It is a tau number, because it is divible by the number of its divisors (128).
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12610662277) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025308 + ... + 2031524.
Almost surely, 212610662272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12610662272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14384472480).
12610662272 is an abundant number, since it is smaller than the sum of its proper divisors (16158282688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12610662272 is a wasteful number, since it uses less digits than its factorization.
12610662272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6320 (or 6308 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 35.
The spelling of 12610662272 in words is "twelve billion, six hundred ten million, six hundred sixty-two thousand, two hundred seventy-two".
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