Base | Representation |
---|---|
bin | 111111100110101010… |
… | …100001110111000111 |
3 | 20112021112222220000211 |
4 | 333212222201313013 |
5 | 2104331332332423 |
6 | 51212442220251 |
7 | 4635253654660 |
oct | 774652416707 |
9 | 215245886024 |
10 | 68294417863 |
11 | 26a66466a61 |
12 | 1129b7b4687 |
13 | 6594c95359 |
14 | 343c2ba367 |
15 | 1b9aa0810d |
hex | fe6aa1dc7 |
68294417863 has 16 divisors (see below), whose sum is σ = 78665520640. Its totient is φ = 58077972000.
The previous prime is 68294417861. The next prime is 68294417879. The reversal of 68294417863 is 36871449286.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 68294417863 - 21 = 68294417861 is a prime.
It is a super-2 number, since 2×682944178632 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68294417798 and 68294417807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68294417861) 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, 817393 + ... + 897061.
It is an arithmetic number, because the mean of its divisors is an integer number (4916595040).
Almost surely, 268294417863 is an apocalyptic number.
68294417863 is a deficient number, since it is larger than the sum of its proper divisors (10371102777).
68294417863 is a wasteful number, since it uses less digits than its factorization.
68294417863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80638.
The product of its digits is 13934592, while the sum is 58.
The spelling of 68294417863 in words is "sixty-eight billion, two hundred ninety-four million, four hundred seventeen thousand, eight hundred sixty-three".
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