Base | Representation |
---|---|
bin | 10011110011110110100… |
… | …11010000111111101000 |
3 | 2102001221022020111022002 |
4 | 21321323103100333220 |
5 | 42123004402340210 |
6 | 1240410322550132 |
7 | 100114503060104 |
oct | 11717323207750 |
9 | 2361838214262 |
10 | 680673480680 |
11 | 242743486686 |
12 | abb04208348 |
13 | 4c258477aab |
14 | 24d32652904 |
15 | 12a8c5214a5 |
hex | 9e7b4d0fe8 |
680673480680 has 32 divisors (see below), whose sum is σ = 1598102956800. Its totient is φ = 260431592256.
The previous prime is 680673480671. The next prime is 680673480791. The reversal of 680673480680 is 86084376086.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 369930320 + ... + 369932159.
It is an arithmetic number, because the mean of its divisors is an integer number (49940717400).
Almost surely, 2680673480680 is an apocalyptic number.
It is an amenable number.
680673480680 is an abundant number, since it is smaller than the sum of its proper divisors (917429476120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680673480680 is a wasteful number, since it uses less digits than its factorization.
680673480680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 739862513 (or 739862509 counting only the distinct ones).
The product of its (nonzero) digits is 9289728, while the sum is 56.
The spelling of 680673480680 in words is "six hundred eighty billion, six hundred seventy-three million, four hundred eighty thousand, six hundred eighty".
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