Base | Representation |
---|---|
bin | 111111100101010111… |
… | …111101101111100011 |
3 | 20112020001021021101112 |
4 | 333211113331233203 |
5 | 2104310312232430 |
6 | 51210350253535 |
7 | 4634602001450 |
oct | 774527755743 |
9 | 215201237345 |
10 | 68272774115 |
11 | 26a55223767 |
12 | 112944b72ab |
13 | 65906579c0 |
14 | 3439484827 |
15 | 1b98b80195 |
hex | fe55fdbe3 |
68272774115 has 32 divisors (see below), whose sum is σ = 100956119040. Its totient is φ = 43161922944.
The previous prime is 68272774099. The next prime is 68272774147. The reversal of 68272774115 is 51147727286.
It is not a de Polignac number, because 68272774115 - 24 = 68272774099 is a prime.
It is a super-2 number, since 2×682727741152 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285566 + ... + 467004.
It is an arithmetic number, because the mean of its divisors is an integer number (3154878720).
Almost surely, 268272774115 is an apocalyptic number.
68272774115 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
68272774115 is a deficient number, since it is larger than the sum of its proper divisors (32683344925).
68272774115 is a wasteful number, since it uses less digits than its factorization.
68272774115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182291.
The product of its digits is 1317120, while the sum is 50.
The spelling of 68272774115 in words is "sixty-eight billion, two hundred seventy-two million, seven hundred seventy-four thousand, one hundred fifteen".
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