Base | Representation |
---|---|
bin | 111111011010010011… |
… | …001100101110110010 |
3 | 20111202002122201111000 |
4 | 333122103030232302 |
5 | 2103420231203120 |
6 | 51140112102430 |
7 | 4630154512326 |
oct | 773223145662 |
9 | 214662581430 |
10 | 68086975410 |
11 | 2696a360413 |
12 | 11242234a16 |
13 | 656100363c |
14 | 341c91b986 |
15 | 1b876cd990 |
hex | fda4ccbb2 |
68086975410 has 32 divisors (see below), whose sum is σ = 181565268480. Its totient is φ = 18156526704.
The previous prime is 68086975409. The next prime is 68086975427. The reversal of 68086975410 is 1457968086.
68086975410 is a `hidden beast` number, since 6 + 8 + 0 + 8 + 6 + 97 + 541 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126086722 + ... + 126087261.
It is an arithmetic number, because the mean of its divisors is an integer number (5673914640).
Almost surely, 268086975410 is an apocalyptic number.
68086975410 is an abundant number, since it is smaller than the sum of its proper divisors (113478293070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68086975410 is a wasteful number, since it uses less digits than its factorization.
68086975410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252173999 (or 252173993 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The spelling of 68086975410 in words is "sixty-eight billion, eighty-six million, nine hundred seventy-five thousand, four hundred ten".
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