Base | Representation |
---|---|
bin | 11111010101010011000101… |
… | …11110110011101011110001 |
3 | 100000221220212210222112121111 |
4 | 33222221202332303223301 |
5 | 33012340311123303400 |
6 | 402312531333153321 |
7 | 20340654021446161 |
oct | 1752514276635361 |
9 | 300856783875544 |
10 | 68901525994225 |
11 | 1aa54a7818a191 |
12 | 78896b178b841 |
13 | 2c5a5031225c2 |
14 | 1302bccd0a5a1 |
15 | 7e7447ec63ba |
hex | 3eaa62fb3af1 |
68901525994225 has 12 divisors (see below), whose sum is σ = 85438143037440. Its totient is φ = 55121058986000.
The previous prime is 68901525994097. The next prime is 68901525994277. The reversal of 68901525994225 is 52249952510986.
It is not a de Polignac number, because 68901525994225 - 27 = 68901525994097 is a prime.
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, 5041716 + ... + 12775834.
It is an arithmetic number, because the mean of its divisors is an integer number (7119845253120).
Almost surely, 268901525994225 is an apocalyptic number.
It is an amenable number.
68901525994225 is a deficient number, since it is larger than the sum of its proper divisors (16536617043215).
68901525994225 is a wasteful number, since it uses less digits than its factorization.
68901525994225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8090480 (or 8090475 counting only the distinct ones).
The product of its (nonzero) digits is 139968000, while the sum is 67.
The spelling of 68901525994225 in words is "sixty-eight trillion, nine hundred one billion, five hundred twenty-five million, nine hundred ninety-four thousand, two hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.031 sec. • engine limits •