Base | Representation |
---|---|
bin | 10011110011001011111… |
… | …00100000001001100111 |
3 | 2102001000100001112111200 |
4 | 21321211330200021213 |
5 | 42121241142120121 |
6 | 1240311003333543 |
7 | 100102562501325 |
oct | 11714574401147 |
9 | 2361010045450 |
10 | 680315191911 |
11 | 24257a20aa63 |
12 | aba242212b3 |
13 | 4c1cc17bbc4 |
14 | 24cdac28d15 |
15 | 12a6ad4ba26 |
hex | 9e65f20267 |
680315191911 has 12 divisors (see below), whose sum is σ = 991692890760. Its totient is φ = 449382511440.
The previous prime is 680315191859. The next prime is 680315191937. The reversal of 680315191911 is 119191513086.
It is a happy number.
680315191911 is a `hidden beast` number, since 6 + 80 + 31 + 519 + 19 + 11 = 666.
680315191911 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 680315191911 - 27 = 680315191783 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680315191981) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346744785 + ... + 346746746.
It is an arithmetic number, because the mean of its divisors is an integer number (82641074230).
Almost surely, 2680315191911 is an apocalyptic number.
680315191911 is a deficient number, since it is larger than the sum of its proper divisors (311377698849).
680315191911 is a wasteful number, since it uses less digits than its factorization.
680315191911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 693491646 (or 693491643 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 45.
The spelling of 680315191911 in words is "six hundred eighty billion, three hundred fifteen million, one hundred ninety-one thousand, nine hundred eleven".
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