Base | Representation |
---|---|
bin | 1000000100111001… |
… | …0011111001001100 |
3 | 12121002111102212020 |
4 | 2001032103321030 |
5 | 13420002343424 |
6 | 555044010140 |
7 | 104503541520 |
oct | 20116237114 |
9 | 5532442766 |
10 | 2168012364 |
11 | a12871861 |
12 | 506090950 |
13 | 287211a6b |
14 | 167d11d80 |
15 | ca4ee079 |
hex | 81393e4c |
2168012364 has 24 divisors (see below), whose sum is σ = 5781366528. Its totient is φ = 619432080.
The previous prime is 2168012351. The next prime is 2168012377. The reversal of 2168012364 is 4632108612.
It is an interprime number because it is at equal distance from previous prime (2168012351) and next prime (2168012377).
It is a super-2 number, since 2×21680123642 = 9400555220913736992, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12904752 + ... + 12904919.
It is an arithmetic number, because the mean of its divisors is an integer number (240890272).
Almost surely, 22168012364 is an apocalyptic number.
It is an amenable number.
2168012364 is an abundant number, since it is smaller than the sum of its proper divisors (3613354164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2168012364 is a wasteful number, since it uses less digits than its factorization.
2168012364 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25809685 (or 25809683 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 2168012364 is about 46561.9196769205. The cubic root of 2168012364 is about 1294.2571857449.
The spelling of 2168012364 in words is "two billion, one hundred sixty-eight million, twelve thousand, three hundred sixty-four".
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