Base | Representation |
---|---|
bin | 1100011100100010… |
… | …10011111100011011 |
3 | 122020200010011121122 |
4 | 12032101103330123 |
5 | 102141024320412 |
6 | 3023011355455 |
7 | 324403646603 |
oct | 61621237433 |
9 | 18220104548 |
10 | 6681870107 |
11 | 2919817a00 |
12 | 13658b2b8b |
13 | 82642acc3 |
14 | 4755c7c03 |
15 | 291928572 |
hex | 18e453f1b |
6681870107 has 12 divisors (see below), whose sum is σ = 7581459648. Its totient is φ = 5878474800.
The previous prime is 6681870073. The next prime is 6681870119. The reversal of 6681870107 is 7010781866.
6681870107 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 6681870107 - 212 = 6681866011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6681870127) 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, 886928 + ... + 894429.
It is an arithmetic number, because the mean of its divisors is an integer number (631788304).
Almost surely, 26681870107 is an apocalyptic number.
6681870107 is a deficient number, since it is larger than the sum of its proper divisors (899589541).
6681870107 is a wasteful number, since it uses less digits than its factorization.
6681870107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1781410 (or 1781399 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 44.
The square root of 6681870107 is about 81742.7067511225. The cubic root of 6681870107 is about 1883.5016700726.
The spelling of 6681870107 in words is "six billion, six hundred eighty-one million, eight hundred seventy thousand, one hundred seven".
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