Base | Representation |
---|---|
bin | 100110101101111010… |
… | …1010000110010100110 |
3 | 21221121112010001210100 |
4 | 1031123311100302212 |
5 | 2330240114131221 |
6 | 102110223204530 |
7 | 6002261262102 |
oct | 1153365206246 |
9 | 257545101710 |
10 | 83145067686 |
11 | 3229724aa7a |
12 | 14145146746 |
13 | 7ac08ac205 |
14 | 404a744902 |
15 | 226966a926 |
hex | 135bd50ca6 |
83145067686 has 48 divisors (see below), whose sum is σ = 193207051440. Its totient is φ = 25760928960.
The previous prime is 83145067679. The next prime is 83145067711. The reversal of 83145067686 is 68676054138.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 2275405 + ... + 2311656.
It is an arithmetic number, because the mean of its divisors is an integer number (4025146905).
Almost surely, 283145067686 is an apocalyptic number.
83145067686 is an abundant number, since it is smaller than the sum of its proper divisors (110061983754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83145067686 is a wasteful number, since it uses less digits than its factorization.
83145067686 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4587141 (or 4587138 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 54.
The spelling of 83145067686 in words is "eighty-three billion, one hundred forty-five million, sixty-seven thousand, six hundred eighty-six".
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