Base | Representation |
---|---|
bin | 10011110011110000110… |
… | …10011110011000010110 |
3 | 2102001210221002101121222 |
4 | 21321320122132120112 |
5 | 42122410002220440 |
6 | 1240401432410342 |
7 | 100113344242250 |
oct | 11717032363026 |
9 | 2361727071558 |
10 | 680625038870 |
11 | 2427190aa627 |
12 | abaabb469b2 |
13 | 4c24b4169ba |
14 | 24d2a042cd0 |
15 | 12a881532b5 |
hex | 9e7869e616 |
680625038870 has 64 divisors (see below), whose sum is σ = 1405103293440. Its totient is φ = 232531893888.
The previous prime is 680625038861. The next prime is 680625038897. The reversal of 680625038870 is 78830526086.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23188724 + ... + 23218056.
It is an arithmetic number, because the mean of its divisors is an integer number (21954738960).
Almost surely, 2680625038870 is an apocalyptic number.
680625038870 is an abundant number, since it is smaller than the sum of its proper divisors (724478254570).
680625038870 is a wasteful number, since it uses less digits than its factorization.
680625038870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30509.
The product of its (nonzero) digits is 3870720, while the sum is 53.
The spelling of 680625038870 in words is "six hundred eighty billion, six hundred twenty-five million, thirty-eight thousand, eight hundred seventy".
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