Base | Representation |
---|---|
bin | 111111010111100111… |
… | …010010111100001011 |
3 | 20111121221212021012121 |
4 | 333113213102330023 |
5 | 2103322212141300 |
6 | 51131422152111 |
7 | 4626066465334 |
oct | 772747227413 |
9 | 214557767177 |
10 | 68041912075 |
11 | 26946981695 |
12 | 1122b122637 |
13 | 6554886247 |
14 | 341694b28b |
15 | 1b8377b81a |
hex | fd79d2f0b |
68041912075 has 24 divisors (see below), whose sum is σ = 85013097008. Its totient is φ = 54020753280.
The previous prime is 68041912061. The next prime is 68041912091. The reversal of 68041912075 is 57021914086.
It is not a de Polignac number, because 68041912075 - 27 = 68041911947 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3337864 + ... + 3358186.
Almost surely, 268041912075 is an apocalyptic number.
68041912075 is a deficient number, since it is larger than the sum of its proper divisors (16971184933).
68041912075 is a wasteful number, since it uses less digits than its factorization.
68041912075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21343 (or 21338 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 43.
The spelling of 68041912075 in words is "sixty-eight billion, forty-one million, nine hundred twelve thousand, seventy-five".
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