Base | Representation |
---|---|
bin | 100000000001011111… |
… | …0110110011001010100 |
3 | 20120111122221220200002 |
4 | 1000002332312121110 |
5 | 2111314443210100 |
6 | 51331533110432 |
7 | 4653113110133 |
oct | 1000276663124 |
9 | 216448856602 |
10 | 68769506900 |
11 | 2718a659426 |
12 | 113b2928418 |
13 | 663c537923 |
14 | 348542991a |
15 | 1bc75a02d5 |
hex | 1002fb6654 |
68769506900 has 36 divisors (see below), whose sum is σ = 149305894332. Its totient is φ = 27493781760.
The previous prime is 68769506879. The next prime is 68769506947. The reversal of 68769506900 is 960596786.
It can be written as a sum of positive squares in 6 ways, for example, as 5982916 + 68763523984 = 2446^2 + 262228^2 .
It is a super-2 number, since 2×687695069002 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
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, 23024 + ... + 371576.
Almost surely, 268769506900 is an apocalyptic number.
It is an amenable number.
68769506900 is an abundant number, since it is smaller than the sum of its proper divisors (80536387432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68769506900 is a wasteful number, since it uses less digits than its factorization.
68769506900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 350540 (or 350533 counting only the distinct ones).
The product of its (nonzero) digits is 4898880, while the sum is 56.
The spelling of 68769506900 in words is "sixty-eight billion, seven hundred sixty-nine million, five hundred six thousand, nine hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •