Base | Representation |
---|---|
bin | 100000000110011110… |
… | …0100011000100000000 |
3 | 20120221022111221222211 |
4 | 1000030330203010000 |
5 | 2112140242104314 |
6 | 51400304111504 |
7 | 4660213034320 |
oct | 1001474430400 |
9 | 216838457884 |
10 | 68936675584 |
11 | 27265a57767 |
12 | 1143a905594 |
13 | 66680682ca |
14 | 349d703280 |
15 | 1bd70c19c4 |
hex | 100cf23100 |
68936675584 has 36 divisors (see below), whose sum is σ = 157261795264. Its totient is φ = 29544288768.
The previous prime is 68936675567. The next prime is 68936675611. The reversal of 68936675584 is 48557663986.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19232772 + ... + 19236355.
Almost surely, 268936675584 is an apocalyptic number.
68936675584 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
68936675584 is an abundant number, since it is smaller than the sum of its proper divisors (88325119680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68936675584 is an equidigital number, since it uses as much as digits as its factorization.
68936675584 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38469150 (or 38469136 counting only the distinct ones).
The product of its digits is 261273600, while the sum is 67.
The spelling of 68936675584 in words is "sixty-eight billion, nine hundred thirty-six million, six hundred seventy-five thousand, five hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •