Base | Representation |
---|---|
bin | 1111001010001110… |
… | …01010000101010100 |
3 | 210000012122012110112 |
4 | 13211013022011110 |
5 | 113132014413233 |
6 | 3423335142152 |
7 | 405454610612 |
oct | 74507120524 |
9 | 23005565415 |
10 | 8138826068 |
11 | 34a717853a |
12 | 16b1814958 |
13 | 9c922c019 |
14 | 572cc46b2 |
15 | 3297be048 |
hex | 1e51ca154 |
8138826068 has 24 divisors (see below), whose sum is σ = 14531916672. Its totient is φ = 3987064224.
The previous prime is 8138826049. The next prime is 8138826077. The reversal of 8138826068 is 8606288318.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
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, 127721 + ... + 180527.
It is an arithmetic number, because the mean of its divisors is an integer number (605496528).
Almost surely, 28138826068 is an apocalyptic number.
It is an amenable number.
8138826068 is a deficient number, since it is larger than the sum of its proper divisors (6393090604).
8138826068 is a wasteful number, since it uses less digits than its factorization.
8138826068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53591 (or 53589 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 50.
The square root of 8138826068 is about 90215.4425140175. The cubic root of 8138826068 is about 2011.5025577583.
The spelling of 8138826068 in words is "eight billion, one hundred thirty-eight million, eight hundred twenty-six thousand, sixty-eight".
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