Base | Representation |
---|---|
bin | 111111010101000111… |
… | …110011110101111001 |
3 | 20111112001012012001000 |
4 | 333111013303311321 |
5 | 2103231011310201 |
6 | 51123330115213 |
7 | 4625051226330 |
oct | 772507636571 |
9 | 214461165030 |
10 | 68000103801 |
11 | 269253164a3 |
12 | 1121911bb09 |
13 | 6549008616 |
14 | 3411186d17 |
15 | 1b7ec6dd86 |
hex | fd51f3d79 |
68000103801 has 32 divisors (see below), whose sum is σ = 115149413120. Its totient is φ = 38851477632.
The previous prime is 68000103733. The next prime is 68000103803. The reversal of 68000103801 is 10830100086.
It is not a de Polignac number, because 68000103801 - 27 = 68000103673 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (68000103803) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488171 + ... + 1533183.
It is an arithmetic number, because the mean of its divisors is an integer number (3598419160).
Almost surely, 268000103801 is an apocalyptic number.
It is an amenable number.
68000103801 is a deficient number, since it is larger than the sum of its proper divisors (47149309319).
68000103801 is a wasteful number, since it uses less digits than its factorization.
68000103801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53022 (or 53016 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
Adding to 68000103801 its reverse (10830100086), we get a palindrome (78830203887).
The spelling of 68000103801 in words is "sixty-eight billion, one hundred three thousand, eight hundred one".
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