Base | Representation |
---|---|
bin | 101000100110000… |
… | …110101000111110 |
3 | 1202110120022102120 |
4 | 220212012220332 |
5 | 2343323433220 |
6 | 151325503410 |
7 | 22610030064 |
oct | 5046065076 |
9 | 1673508376 |
10 | 681077310 |
11 | 31a4a5511 |
12 | 170111b66 |
13 | ab145434 |
14 | 66650034 |
15 | 3ebd5a40 |
hex | 28986a3e |
681077310 has 16 divisors (see below), whose sum is σ = 1634585616. Its totient is φ = 181620608.
The previous prime is 681077263. The next prime is 681077321. The reversal of 681077310 is 13770186.
It is a super-2 number, since 2×6810773102 = 927732604393672200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11351259 + ... + 11351318.
It is an arithmetic number, because the mean of its divisors is an integer number (102161601).
Almost surely, 2681077310 is an apocalyptic number.
681077310 is an abundant number, since it is smaller than the sum of its proper divisors (953508306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
681077310 is a wasteful number, since it uses less digits than its factorization.
681077310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22702587.
The product of its (nonzero) digits is 7056, while the sum is 33.
The square root of 681077310 is about 26097.4579221808. The cubic root of 681077310 is about 879.8300765227.
The spelling of 681077310 in words is "six hundred eighty-one million, seventy-seven thousand, three hundred ten".
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