Base | Representation |
---|---|
bin | 111111011001110000… |
… | …001101101001000100 |
3 | 20111201110101202210212 |
4 | 333121300031221010 |
5 | 2103410404212400 |
6 | 51135143334552 |
7 | 4630013533655 |
oct | 773160155104 |
9 | 214643352725 |
10 | 68077804100 |
11 | 26965166919 |
12 | 1123b151458 |
13 | 655c142027 |
14 | 341b61152c |
15 | 1b869bb335 |
hex | fd9c0da44 |
68077804100 has 36 divisors (see below), whose sum is σ = 147740218500. Its totient is φ = 27229023360.
The previous prime is 68077804073. The next prime is 68077804129. The reversal of 68077804100 is 140877086.
68077804100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 1435348996 + 66642455104 = 37886^2 + 258152^2 .
It is a super-2 number, since 2×680778041002 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2340446 + ... + 2369354.
Almost surely, 268077804100 is an apocalyptic number.
It is an amenable number.
68077804100 is an abundant number, since it is smaller than the sum of its proper divisors (79662414400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68077804100 is a wasteful number, since it uses less digits than its factorization.
68077804100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52472 (or 52465 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 41.
The spelling of 68077804100 in words is "sixty-eight billion, seventy-seven million, eight hundred four thousand, one hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.117 sec. • engine limits •