Base | Representation |
---|---|
bin | 111111010111101010… |
… | …000001101100100000 |
3 | 20111122000012122002121 |
4 | 333113222001230200 |
5 | 2103322403042442 |
6 | 51131445354024 |
7 | 4626105536242 |
oct | 772752015440 |
9 | 214560178077 |
10 | 68042627872 |
11 | 2694732045a |
12 | 1122b408914 |
13 | 6554a76cab |
14 | 3416a96092 |
15 | 1b8386d967 |
hex | fd7a81b20 |
68042627872 has 24 divisors (see below), whose sum is σ = 133994722176. Its totient is φ = 34012222272.
The previous prime is 68042627867. The next prime is 68042627881. The reversal of 68042627872 is 27872624086.
It is a happy number.
68042627872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161688 + ... + 402775.
It is an arithmetic number, because the mean of its divisors is an integer number (5583113424).
Almost surely, 268042627872 is an apocalyptic number.
It is an amenable number.
68042627872 is a deficient number, since it is larger than the sum of its proper divisors (65952094304).
68042627872 is a wasteful number, since it uses less digits than its factorization.
68042627872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 568240 (or 568232 counting only the distinct ones).
The product of its (nonzero) digits is 3612672, while the sum is 52.
The spelling of 68042627872 in words is "sixty-eight billion, forty-two million, six hundred twenty-seven thousand, eight hundred seventy-two".
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