Base | Representation |
---|---|
bin | 111111110010110000… |
… | …100101111111111000 |
3 | 20112210200211010000002 |
4 | 333302300211333320 |
5 | 2110240304144024 |
6 | 51244531332132 |
7 | 4643266506662 |
oct | 776260457770 |
9 | 215720733002 |
10 | 68497334264 |
11 | 2705aa61067 |
12 | 11337751048 |
13 | 65c8030c28 |
14 | 345b21b532 |
15 | 1bad73b6ae |
hex | ff2c25ff8 |
68497334264 has 64 divisors (see below), whose sum is σ = 141657120000. Its totient is φ = 30906247680.
The previous prime is 68497334263. The next prime is 68497334267. The reversal of 68497334264 is 46243379486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68497334263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801887 + ... + 883185.
It is an arithmetic number, because the mean of its divisors is an integer number (2213392500).
Almost surely, 268497334264 is an apocalyptic number.
It is an amenable number.
68497334264 is an abundant number, since it is smaller than the sum of its proper divisors (73159785736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68497334264 is a wasteful number, since it uses less digits than its factorization.
68497334264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81588 (or 81584 counting only the distinct ones).
The product of its digits is 20901888, while the sum is 56.
The spelling of 68497334264 in words is "sixty-eight billion, four hundred ninety-seven million, three hundred thirty-four thousand, two hundred sixty-four".
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