Base | Representation |
---|---|
bin | 1001111100010000… |
… | …1011110101000001 |
3 | 20212222120201000110 |
4 | 2133010023311001 |
5 | 20431140034434 |
6 | 1120450541533 |
7 | 123063233514 |
oct | 23704136501 |
9 | 6788521013 |
10 | 2668674369 |
11 | 114a440609 |
12 | 6258978a9 |
13 | 336b6927a |
14 | 1b45dad7b |
15 | 1094484e9 |
hex | 9f10bd41 |
2668674369 has 4 divisors (see below), whose sum is σ = 3558232496. Its totient is φ = 1779116244.
The previous prime is 2668674367. The next prime is 2668674377. The reversal of 2668674369 is 9634768662.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 2668674369 - 21 = 2668674367 is a prime.
It is a super-2 number, since 2×26686743692 = 14243645775515096322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2668674361) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444779059 + ... + 444779064.
It is an arithmetic number, because the mean of its divisors is an integer number (889558124).
Almost surely, 22668674369 is an apocalyptic number.
It is an amenable number.
2668674369 is a deficient number, since it is larger than the sum of its proper divisors (889558127).
2668674369 is an equidigital number, since it uses as much as digits as its factorization.
2668674369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 889558126.
The product of its digits is 15676416, while the sum is 57.
The square root of 2668674369 is about 51659.2137861195. The cubic root of 2668674369 is about 1387.0704771609.
The spelling of 2668674369 in words is "two billion, six hundred sixty-eight million, six hundred seventy-four thousand, three hundred sixty-nine".
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