Base | Representation |
---|---|
bin | 10111101000111000… |
… | …00000111111001101 |
3 | 1012202110012111112212 |
4 | 23310130000333031 |
5 | 201442333404443 |
6 | 5455150240205 |
7 | 626331014636 |
oct | 136434007715 |
9 | 35673174485 |
10 | 12690919373 |
11 | 5422769620 |
12 | 25621b6065 |
13 | 1273344962 |
14 | 8856b088d |
15 | 4e424c618 |
hex | 2f4700fcd |
12690919373 has 32 divisors (see below), whose sum is σ = 14908354560. Its totient is φ = 10675445760.
The previous prime is 12690919349. The next prime is 12690919421. The reversal of 12690919373 is 37391909621.
It is a cyclic number.
It is not a de Polignac number, because 12690919373 - 28 = 12690919117 is a prime.
It is a super-2 number, since 2×126909193732 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12690919333) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2681273 + ... + 2686001.
It is an arithmetic number, because the mean of its divisors is an integer number (465886080).
Almost surely, 212690919373 is an apocalyptic number.
It is an amenable number.
12690919373 is a deficient number, since it is larger than the sum of its proper divisors (2217435187).
12690919373 is a wasteful number, since it uses less digits than its factorization.
12690919373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4997.
The product of its (nonzero) digits is 551124, while the sum is 50.
The spelling of 12690919373 in words is "twelve billion, six hundred ninety million, nine hundred nineteen thousand, three hundred seventy-three".
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