Base | Representation |
---|---|
bin | 100110110101000011011… |
… | …111101110110110110000 |
3 | 100110002100220112020100010 |
4 | 212311003133232312300 |
5 | 322204143103121142 |
6 | 5401445305054520 |
7 | 363531064656510 |
oct | 46650337566660 |
9 | 10402326466303 |
10 | 2668307082672 |
11 | 939693870620 |
12 | 371176787440 |
13 | 16480a99c69a |
14 | 9320a989840 |
15 | 4961ea05e9c |
hex | 26d437eedb0 |
2668307082672 has 160 divisors (see below), whose sum is σ = 8594689904640. Its totient is φ = 693013397760.
The previous prime is 2668307082671. The next prime is 2668307082691. The reversal of 2668307082672 is 2762807038662.
It is not an unprimeable number, because it can be changed into a prime (2668307082671) 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, 76352979 + ... + 76387917.
It is an arithmetic number, because the mean of its divisors is an integer number (53716811904).
Almost surely, 22668307082672 is an apocalyptic number.
2668307082672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2668307082672 is an abundant number, since it is smaller than the sum of its proper divisors (5926382821968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2668307082672 is a wasteful number, since it uses less digits than its factorization.
2668307082672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55631 (or 55625 counting only the distinct ones).
The product of its (nonzero) digits is 16257024, while the sum is 57.
The spelling of 2668307082672 in words is "two trillion, six hundred sixty-eight billion, three hundred seven million, eighty-two thousand, six hundred seventy-two".
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