Base | Representation |
---|---|
bin | 111111011011001111… |
… | …001001001100010110 |
3 | 20111210012020002020111 |
4 | 333123033021030112 |
5 | 2103433242031213 |
6 | 51141432553234 |
7 | 4630435211221 |
oct | 773317111426 |
9 | 214705202214 |
10 | 68102689558 |
11 | 26978213712 |
12 | 1124755281a |
13 | 6564346057 |
14 | 3420a4c5b8 |
15 | 1b88c84a3d |
hex | fdb3c9316 |
68102689558 has 16 divisors (see below), whose sum is σ = 107535744000. Its totient is φ = 32257614312.
The previous prime is 68102689541. The next prime is 68102689607. The reversal of 68102689558 is 85598620186.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291963 + ... + 1343641.
It is an arithmetic number, because the mean of its divisors is an integer number (6720984000).
Almost surely, 268102689558 is an apocalyptic number.
68102689558 is a deficient number, since it is larger than the sum of its proper divisors (39433054442).
68102689558 is a wasteful number, since it uses less digits than its factorization.
68102689558 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86379.
The product of its (nonzero) digits is 8294400, while the sum is 58.
The spelling of 68102689558 in words is "sixty-eight billion, one hundred two million, six hundred eighty-nine thousand, five hundred fifty-eight".
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