Base | Representation |
---|---|
bin | 111111100111010011… |
… | …110110101001001111 |
3 | 20112022022101021011020 |
4 | 333213103312221033 |
5 | 2104342121012040 |
6 | 51213510325223 |
7 | 4635445024110 |
oct | 774723665117 |
9 | 215268337136 |
10 | 68305250895 |
11 | 26a71595a82 |
12 | 112a3359813 |
13 | 65972b912b |
14 | 343d8da207 |
15 | 1b9b947cd0 |
hex | fe74f6a4f |
68305250895 has 64 divisors (see below), whose sum is σ = 139208647680. Its totient is φ = 27841701888.
The previous prime is 68305250843. The next prime is 68305250953. The reversal of 68305250895 is 59805250386.
It is not a de Polignac number, because 68305250895 - 214 = 68305234511 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 973092 + ... + 1040921.
It is an arithmetic number, because the mean of its divisors is an integer number (2175135120).
Almost surely, 268305250895 is an apocalyptic number.
68305250895 is an abundant number, since it is smaller than the sum of its proper divisors (70903396785).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68305250895 is a wasteful number, since it uses less digits than its factorization.
68305250895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2014064.
The product of its (nonzero) digits is 2592000, while the sum is 51.
The spelling of 68305250895 in words is "sixty-eight billion, three hundred five million, two hundred fifty thousand, eight hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •