Base | Representation |
---|---|
bin | 10110101010110011… |
… | …10111000100010000 |
3 | 1011102011111022012020 |
4 | 23111121313010100 |
5 | 144411041321002 |
6 | 5331350531440 |
7 | 610406336526 |
oct | 132531670420 |
9 | 34364438166 |
10 | 12170260752 |
11 | 5185882041 |
12 | 2437966b80 |
13 | 11bc508730 |
14 | 83649c316 |
15 | 4b36a32bc |
hex | 2d5677110 |
12170260752 has 40 divisors (see below), whose sum is σ = 33858291264. Its totient is φ = 3744695424.
The previous prime is 12170260709. The next prime is 12170260757. The reversal of 12170260752 is 25706207121.
It is not an unprimeable number, because it can be changed into a prime (12170260757) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9751188 + ... + 9752435.
Almost surely, 212170260752 is an apocalyptic number.
12170260752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12170260752 is an abundant number, since it is smaller than the sum of its proper divisors (21688030512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12170260752 is a wasteful number, since it uses less digits than its factorization.
12170260752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19503647 (or 19503641 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 33.
Adding to 12170260752 its reverse (25706207121), we get a palindrome (37876467873).
The spelling of 12170260752 in words is "twelve billion, one hundred seventy million, two hundred sixty thousand, seven hundred fifty-two".
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