Base | Representation |
---|---|
bin | 100000000101101101… |
… | …1111100110101111010 |
3 | 20120212112212110020010 |
4 | 1000023123330311322 |
5 | 2112112301300320 |
6 | 51354001242350 |
7 | 4656454560210 |
oct | 1001333746572 |
9 | 216775773203 |
10 | 68911353210 |
11 | 27252731687 |
12 | 114323333b6 |
13 | 6662a4045b |
14 | 349a1d0cb0 |
15 | 1bd4c6dae0 |
hex | 100b6fcd7a |
68911353210 has 64 divisors (see below), whose sum is σ = 189037769472. Its totient is φ = 15749185536.
The previous prime is 68911353197. The next prime is 68911353227. The reversal of 68911353210 is 1235311986.
It is a Curzon 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, 2242872 + ... + 2273388.
It is an arithmetic number, because the mean of its divisors is an integer number (2953715148).
Almost surely, 268911353210 is an apocalyptic number.
68911353210 is an abundant number, since it is smaller than the sum of its proper divisors (120126416262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68911353210 is a wasteful number, since it uses less digits than its factorization.
68911353210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41287.
The product of its (nonzero) digits is 38880, while the sum is 39.
The spelling of 68911353210 in words is "sixty-eight billion, nine hundred eleven million, three hundred fifty-three thousand, two hundred ten".
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