Base | Representation |
---|---|
bin | 100000000100011010… |
… | …0100000100000100000 |
3 | 20120202111021101211111 |
4 | 1000020310200200200 |
5 | 2112020032142404 |
6 | 51345352353104 |
7 | 4655412513103 |
oct | 1001064404040 |
9 | 216674241744 |
10 | 68867459104 |
11 | 2722a981364 |
12 | 1141b6a5794 |
13 | 6656912302 |
14 | 349444673a |
15 | 1bd0e9d104 |
hex | 1008d20820 |
68867459104 has 24 divisors (see below), whose sum is σ = 135619365420. Its totient is φ = 34424445696.
The previous prime is 68867459069. The next prime is 68867459107. The reversal of 68867459104 is 40195476886.
It can be written as a sum of positive squares in 2 ways, for example, as 68148146704 + 719312400 = 261052^2 + 26820^2 .
It is a super-2 number, since 2×688674591042 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (68867459107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168799 + ... + 407710.
Almost surely, 268867459104 is an apocalyptic number.
It is an amenable number.
68867459104 is a deficient number, since it is larger than the sum of its proper divisors (66751906316).
68867459104 is a wasteful number, since it uses less digits than its factorization.
68867459104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 580252 (or 580244 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 58.
The spelling of 68867459104 in words is "sixty-eight billion, eight hundred sixty-seven million, four hundred fifty-nine thousand, one hundred four".
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