Base | Representation |
---|---|
bin | 10011110011101110001… |
… | …10100000101001011001 |
3 | 2102001202101200010110200 |
4 | 21321313012200221121 |
5 | 42122333333344212 |
6 | 1240355324532413 |
7 | 100112656166631 |
oct | 11716706405131 |
9 | 2361671603420 |
10 | 680603028057 |
11 | 242707736577 |
12 | abaa46b1109 |
13 | 4c2469ab254 |
14 | 24d271536c1 |
15 | 12a862566dc |
hex | 9e771a0a59 |
680603028057 has 48 divisors (see below), whose sum is σ = 1071600504000. Its totient is φ = 414612680832.
The previous prime is 680603028043. The next prime is 680603028109. The reversal of 680603028057 is 750820306086.
680603028057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 680603028057 - 220 = 680601979481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (680603028257) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4875294 + ... + 5012952.
It is an arithmetic number, because the mean of its divisors is an integer number (22325010500).
Almost surely, 2680603028057 is an apocalyptic number.
It is an amenable number.
680603028057 is a deficient number, since it is larger than the sum of its proper divisors (390997475943).
680603028057 is a wasteful number, since it uses less digits than its factorization.
680603028057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138710 (or 138707 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The spelling of 680603028057 in words is "six hundred eighty billion, six hundred three million, twenty-eight thousand, fifty-seven".
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