Base | Representation |
---|---|
bin | 101000100101110… |
… | …101010011000011 |
3 | 1202110102200222122 |
4 | 220211311103003 |
5 | 2343314200100 |
6 | 151324154455 |
7 | 22606313015 |
oct | 5045652303 |
9 | 1673380878 |
10 | 681006275 |
11 | 31a457104 |
12 | 170098a2b |
13 | ab11bcc1 |
14 | 666321b5 |
15 | 3ebbe985 |
hex | 289754c3 |
681006275 has 48 divisors (see below), whose sum is σ = 916012800. Its totient is φ = 501096960.
The previous prime is 681006259. The next prime is 681006299. The reversal of 681006275 is 572600186.
It is not a de Polignac number, because 681006275 - 24 = 681006259 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1421486 + ... + 1421964.
It is an arithmetic number, because the mean of its divisors is an integer number (19083600).
Almost surely, 2681006275 is an apocalyptic number.
681006275 is a deficient number, since it is larger than the sum of its proper divisors (235006525).
681006275 is a wasteful number, since it uses less digits than its factorization.
681006275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 608 (or 603 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 681006275 is about 26096.0969303841. The cubic root of 681006275 is about 879.7994872873.
The spelling of 681006275 in words is "six hundred eighty-one million, six thousand, two hundred seventy-five".
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