Base | Representation |
---|---|
bin | 10110110110001011… |
… | …10111001100000110 |
3 | 1011122211001012002022 |
4 | 23123011313030012 |
5 | 200110003303140 |
6 | 5345040043142 |
7 | 612645400604 |
oct | 133305671406 |
9 | 34584035068 |
10 | 12265681670 |
11 | 5224726200 |
12 | 24639034b2 |
13 | 1206207c08 |
14 | 84501a874 |
15 | 4bbc510b5 |
hex | 2db177306 |
12265681670 has 48 divisors (see below), whose sum is σ = 24923780784. Its totient is φ = 4339684800.
The previous prime is 12265681643. The next prime is 12265681691. The reversal of 12265681670 is 7618656221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92216 + ... + 181755.
It is an arithmetic number, because the mean of its divisors is an integer number (519245433).
Almost surely, 212265681670 is an apocalyptic number.
12265681670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12265681670 is an abundant number, since it is smaller than the sum of its proper divisors (12658099114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12265681670 is a wasteful number, since it uses less digits than its factorization.
12265681670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274037 (or 274026 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 44.
The spelling of 12265681670 in words is "twelve billion, two hundred sixty-five million, six hundred eighty-one thousand, six hundred seventy".
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