Base | Representation |
---|---|
bin | 111111011100011011… |
… | …000010001001011001 |
3 | 20111211120122210210101 |
4 | 333130123002021121 |
5 | 2104003340134031 |
6 | 51143423215401 |
7 | 4631066256400 |
oct | 773433021131 |
9 | 214746583711 |
10 | 68122583641 |
11 | 26988471402 |
12 | 11252147561 |
13 | 65684c01b8 |
14 | 342354a637 |
15 | 1b8a8b4361 |
hex | fdc6c2259 |
68122583641 has 12 divisors (see below), whose sum is σ = 83415409680. Its totient is φ = 55317585960.
The previous prime is 68122583623. The next prime is 68122583653. The reversal of 68122583641 is 14638522186.
It is not a de Polignac number, because 68122583641 - 29 = 68122583129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68122583591 and 68122583600.
It is not an unprimeable number, because it can be changed into a prime (68122583341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36584775 + ... + 36586636.
It is an arithmetic number, because the mean of its divisors is an integer number (6951284140).
Almost surely, 268122583641 is an apocalyptic number.
It is an amenable number.
68122583641 is a deficient number, since it is larger than the sum of its proper divisors (15292826039).
68122583641 is a wasteful number, since it uses less digits than its factorization.
68122583641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73171444 (or 73171437 counting only the distinct ones).
The product of its digits is 552960, while the sum is 46.
The spelling of 68122583641 in words is "sixty-eight billion, one hundred twenty-two million, five hundred eighty-three thousand, six hundred forty-one".
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