Base | Representation |
---|---|
bin | 111111100001110010… |
… | …001000100110100011 |
3 | 20112001211220022210102 |
4 | 333201302020212203 |
5 | 2104144401303400 |
6 | 51200355053015 |
7 | 4633240620443 |
oct | 774162104643 |
9 | 215054808712 |
10 | 68212525475 |
11 | 26a24212aa6 |
12 | 112782a116b |
13 | 6581021813 |
14 | 3431480123 |
15 | 1b9372d9d5 |
hex | fe1c889a3 |
68212525475 has 6 divisors (see below), whose sum is σ = 84583531620. Its totient is φ = 54570020360.
The previous prime is 68212525417. The next prime is 68212525477. The reversal of 68212525475 is 57452521286.
68212525475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 68212525475 - 214 = 68212509091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68212525477) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1364250485 + ... + 1364250534.
It is an arithmetic number, because the mean of its divisors is an integer number (14097255270).
Almost surely, 268212525475 is an apocalyptic number.
68212525475 is a deficient number, since it is larger than the sum of its proper divisors (16371006145).
68212525475 is a wasteful number, since it uses less digits than its factorization.
68212525475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2728501029 (or 2728501024 counting only the distinct ones).
The product of its digits is 1344000, while the sum is 47.
The spelling of 68212525475 in words is "sixty-eight billion, two hundred twelve million, five hundred twenty-five thousand, four hundred seventy-five".
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