Base | Representation |
---|---|
bin | 111111111000111011… |
… | …101010100101001001 |
3 | 20120001220200210100212 |
4 | 333320323222211021 |
5 | 2110443312244123 |
6 | 51303111210505 |
7 | 4645665012440 |
oct | 777073524511 |
9 | 216056623325 |
10 | 68600899913 |
11 | 27103468507 |
12 | 11366376a35 |
13 | 6613622690 |
14 | 346ac99d57 |
15 | 1bb7897878 |
hex | ff8eea949 |
68600899913 has 16 divisors (see below), whose sum is σ = 84465889536. Its totient is φ = 54255769920.
The previous prime is 68600899909. The next prime is 68600899919. The reversal of 68600899913 is 31999800686.
It is a cyclic number.
It is not a de Polignac number, because 68600899913 - 22 = 68600899909 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68600899919) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77183 + ... + 378363.
It is an arithmetic number, because the mean of its divisors is an integer number (5279118096).
Almost surely, 268600899913 is an apocalyptic number.
It is an amenable number.
68600899913 is a deficient number, since it is larger than the sum of its proper divisors (15864989623).
68600899913 is a wasteful number, since it uses less digits than its factorization.
68600899913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303704.
The product of its (nonzero) digits is 5038848, while the sum is 59.
The spelling of 68600899913 in words is "sixty-eight billion, six hundred million, eight hundred ninety-nine thousand, nine hundred thirteen".
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