Base | Representation |
---|---|
bin | 11101100000101000110101… |
… | …10001100010000000011111 |
3 | 22111202201110102020110012120 |
4 | 32300110122301202000133 |
5 | 32001202042134122411 |
6 | 350003252212434023 |
7 | 16445241522314535 |
oct | 1660243261420037 |
9 | 274681412213176 |
10 | 64893110067231 |
11 | 1974a016967056 |
12 | 7340877318913 |
13 | 2a29517886c14 |
14 | 1204bb3d94155 |
15 | 778043263106 |
hex | 3b051ac6201f |
64893110067231 has 32 divisors (see below), whose sum is σ = 89387105034240. Its totient is φ = 41832846770400.
The previous prime is 64893110067229. The next prime is 64893110067239. The reversal of 64893110067231 is 13276001139846.
It is not a de Polignac number, because 64893110067231 - 21 = 64893110067229 is a prime.
It is a super-2 number, since 2×648931100672312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64893110067239) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1389818596 + ... + 1389865286.
It is an arithmetic number, because the mean of its divisors is an integer number (2793347032320).
Almost surely, 264893110067231 is an apocalyptic number.
64893110067231 is a deficient number, since it is larger than the sum of its proper divisors (24493994967009).
64893110067231 is a wasteful number, since it uses less digits than its factorization.
64893110067231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58427.
The product of its (nonzero) digits is 1306368, while the sum is 51.
The spelling of 64893110067231 in words is "sixty-four trillion, eight hundred ninety-three billion, one hundred ten million, sixty-seven thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •