Base | Representation |
---|---|
bin | 101000100100011… |
… | …110000000000110 |
3 | 1202102202112111111 |
4 | 220210132000012 |
5 | 2343221224320 |
6 | 151312355234 |
7 | 22603263400 |
oct | 5044360006 |
9 | 1672675444 |
10 | 680648710 |
11 | 31a2324a5 |
12 | 16bb45b1a |
13 | ab025321 |
14 | 6657bb70 |
15 | 3eb4da5a |
hex | 2891e006 |
680648710 has 48 divisors (see below), whose sum is σ = 1471201920. Its totient is φ = 225832320.
The previous prime is 680648699. The next prime is 680648711. The reversal of 680648710 is 17846086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680648711) 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, 7215 + ... + 37594.
It is an arithmetic number, because the mean of its divisors is an integer number (30650040).
Almost surely, 2680648710 is an apocalyptic number.
680648710 is an abundant number, since it is smaller than the sum of its proper divisors (790553210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680648710 is a wasteful number, since it uses less digits than its factorization.
680648710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44861 (or 44854 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 680648710 is about 26089.2451021489. The cubic root of 680648710 is about 879.6454796130.
The spelling of 680648710 in words is "six hundred eighty million, six hundred forty-eight thousand, seven hundred ten".
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