Base | Representation |
---|---|
bin | 111111010110011110… |
… | …101000010110100100 |
3 | 20111120122000111011020 |
4 | 333112132220112210 |
5 | 2103302323111033 |
6 | 51125502011140 |
7 | 4625445540423 |
oct | 772636502644 |
9 | 214518014136 |
10 | 68022863268 |
11 | 26937150a78 |
12 | 11224876ab0 |
13 | 6550946a69 |
14 | 34141cd2ba |
15 | 1b81c676b3 |
hex | fd67a85a4 |
68022863268 has 24 divisors (see below), whose sum is σ = 163009745472. Its totient is φ = 22061469024.
The previous prime is 68022863257. The next prime is 68022863269. The reversal of 68022863268 is 86236822086.
It is a self number, because there is not a number n which added to its sum of digits gives 68022863268.
It is not an unprimeable number, because it can be changed into a prime (68022863269) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76601880 + ... + 76602767.
It is an arithmetic number, because the mean of its divisors is an integer number (6792072728).
Almost surely, 268022863268 is an apocalyptic number.
It is an amenable number.
68022863268 is an abundant number, since it is smaller than the sum of its proper divisors (94986882204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68022863268 is a wasteful number, since it uses less digits than its factorization.
68022863268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153204691 (or 153204689 counting only the distinct ones).
The product of its (nonzero) digits is 2654208, while the sum is 51.
The spelling of 68022863268 in words is "sixty-eight billion, twenty-two million, eight hundred sixty-three thousand, two hundred sixty-eight".
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