Base | Representation |
---|---|
bin | 11000000010101100… |
… | …10101001010010010 |
3 | 1020022112210121111210 |
4 | 30001112111022102 |
5 | 202413312023241 |
6 | 5532445120550 |
7 | 634601135250 |
oct | 140126251222 |
9 | 36275717453 |
10 | 12907532946 |
11 | 5523a69600 |
12 | 2602859156 |
13 | 12a9197b79 |
14 | 8a63795d0 |
15 | 508289316 |
hex | 301595292 |
12907532946 has 96 divisors (see below), whose sum is σ = 32567592960. Its totient is φ = 3338264160.
The previous prime is 12907532933. The next prime is 12907532951. The reversal of 12907532946 is 64923570921.
It is a junction number, because it is equal to n+sod(n) for n = 12907532895 and 12907532904.
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 47 ways as a sum of consecutive naturals, for example, 1209285 + ... + 1219911.
It is an arithmetic number, because the mean of its divisors is an integer number (339245760).
Almost surely, 212907532946 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12907532946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16283796480).
12907532946 is an abundant number, since it is smaller than the sum of its proper divisors (19660060014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12907532946 is a wasteful number, since it uses less digits than its factorization.
12907532946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10900 (or 10889 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 48.
The spelling of 12907532946 in words is "twelve billion, nine hundred seven million, five hundred thirty-two thousand, nine hundred forty-six".
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