Base | Representation |
---|---|
bin | 10000011111001… |
… | …10101000111001 |
3 | 100122020210010012 |
4 | 20033212220321 |
5 | 240401330103 |
6 | 21420231305 |
7 | 3266412524 |
oct | 1017465071 |
9 | 318223105 |
10 | 138308153 |
11 | 71086a65 |
12 | 3a39b535 |
13 | 22867259 |
14 | 14523bbb |
15 | c2202d8 |
hex | 83e6a39 |
138308153 has 2 divisors, whose sum is σ = 138308154. Its totient is φ = 138308152.
The previous prime is 138308147. The next prime is 138308161. The reversal of 138308153 is 351803831.
138308153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 136702864 + 1605289 = 11692^2 + 1267^2 .
It is a cyclic number.
It is not a de Polignac number, because 138308153 - 216 = 138242617 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (138308953) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69154076 + 69154077.
It is an arithmetic number, because the mean of its divisors is an integer number (69154077).
Almost surely, 2138308153 is an apocalyptic number.
It is an amenable number.
138308153 is a deficient number, since it is larger than the sum of its proper divisors (1).
138308153 is an equidigital number, since it uses as much as digits as its factorization.
138308153 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 138308153 is about 11760.4486734138. The cubic root of 138308153 is about 517.1492833996.
The spelling of 138308153 in words is "one hundred thirty-eight million, three hundred eight thousand, one hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •