Base | Representation |
---|---|
bin | 111111010000110100… |
… | …010000001010010000 |
3 | 20111100000021020012202 |
4 | 333100310100022100 |
5 | 2103104013234143 |
6 | 51112225542332 |
7 | 4623213231425 |
oct | 772064201220 |
9 | 214300236182 |
10 | 67927868048 |
11 | 26898568727 |
12 | 111b8aa49a8 |
13 | 6537066281 |
14 | 3405741d4c |
15 | 1b78750ab8 |
hex | fd0d10290 |
67927868048 has 30 divisors (see below), whose sum is σ = 139360842054. Its totient is φ = 31964032768.
The previous prime is 67927868009. The next prime is 67927868051. The reversal of 67927868048 is 84086872976.
It can be written as a sum of positive squares in only one way, i.e., 63932111104 + 3995756944 = 252848^2 + 63212^2 .
It is a super-2 number, since 2×679278680482 (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 5 ways as a sum of consecutive naturals, for example, 4290515 + ... + 4306317.
Almost surely, 267927868048 is an apocalyptic number.
67927868048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
67927868048 is an abundant number, since it is smaller than the sum of its proper divisors (71432974006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67927868048 is an frugal number, since it uses more digits than its factorization.
67927868048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31631 (or 15822 counting only the distinct ones).
The product of its (nonzero) digits is 65028096, while the sum is 65.
The spelling of 67927868048 in words is "sixty-seven billion, nine hundred twenty-seven million, eight hundred sixty-eight thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.604 sec. • engine limits •