Base | Representation |
---|---|
bin | 11111010000010110101001… |
… | …01011100011111100101110 |
3 | 100000100200100210211201000100 |
4 | 33220023110223203330232 |
5 | 33002044342011003242 |
6 | 402102513244411530 |
7 | 20322460661566344 |
oct | 1750132453437456 |
9 | 300320323751010 |
10 | 68731634859822 |
11 | 1a999a17059390 |
12 | 7860799546ba6 |
13 | 2c474998c443c |
14 | 12d88b38d1994 |
15 | 7e2d02ed254c |
hex | 3e82d4ae3f2e |
68731634859822 has 48 divisors (see below), whose sum is σ = 162470818718208. Its totient is φ = 20825944135440.
The previous prime is 68731634859799. The next prime is 68731634859827. The reversal of 68731634859822 is 22895843613786.
68731634859822 is a `hidden beast` number, since 6 + 8 + 7 + 3 + 1 + 6 + 3 + 4 + 8 + 598 + 22 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68731634859827) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12932568 + ... + 17456075.
It is an arithmetic number, because the mean of its divisors is an integer number (3384808723296).
Almost surely, 268731634859822 is an apocalyptic number.
68731634859822 is an abundant number, since it is smaller than the sum of its proper divisors (93739183858386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68731634859822 is a wasteful number, since it uses less digits than its factorization.
68731634859822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30400085 (or 30400082 counting only the distinct ones).
The product of its digits is 836075520, while the sum is 72.
The spelling of 68731634859822 in words is "sixty-eight trillion, seven hundred thirty-one billion, six hundred thirty-four million, eight hundred fifty-nine thousand, eight hundred twenty-two".
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