Base | Representation |
---|---|
bin | 111111011101110110… |
… | …111011110110111111 |
3 | 20111220020222210002221 |
4 | 333131312323312333 |
5 | 2104031022101020 |
6 | 51150043430211 |
7 | 4631511116110 |
oct | 773566736677 |
9 | 214806883087 |
10 | 68146675135 |
11 | 269a0026730 |
12 | 1125a225367 |
13 | 65704a6a16 |
14 | 342681c207 |
15 | 1b8ca726aa |
hex | fdddbbdbf |
68146675135 has 16 divisors (see below), whose sum is σ = 101954506752. Its totient is φ = 42481044000.
The previous prime is 68146675117. The next prime is 68146675169. The reversal of 68146675135 is 53157664186.
It is not a de Polignac number, because 68146675135 - 27 = 68146675007 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88501791 + ... + 88502560.
It is an arithmetic number, because the mean of its divisors is an integer number (6372156672).
Almost surely, 268146675135 is an apocalyptic number.
68146675135 is a deficient number, since it is larger than the sum of its proper divisors (33807831617).
68146675135 is a wasteful number, since it uses less digits than its factorization.
68146675135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177004374.
The product of its digits is 3628800, while the sum is 52.
The spelling of 68146675135 in words is "sixty-eight billion, one hundred forty-six million, six hundred seventy-five thousand, one hundred thirty-five".
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