Base | Representation |
---|---|
bin | 10010011111101… |
… | …11101011010001 |
3 | 101210221200212011 |
4 | 21033313223101 |
5 | 304204431103 |
6 | 23221302521 |
7 | 3562540246 |
oct | 1117675321 |
9 | 353850764 |
10 | 155155153 |
11 | 7a6433aa |
12 | 43b64a41 |
13 | 261b54aa |
14 | 1686b5cd |
15 | d94bd6d |
hex | 93f7ad1 |
155155153 has 2 divisors, whose sum is σ = 155155154. Its totient is φ = 155155152.
The previous prime is 155155127. The next prime is 155155163. The reversal of 155155153 is 351551551.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 126607504 + 28547649 = 11252^2 + 5343^2 .
It is a cyclic number.
It is not a de Polignac number, because 155155153 - 217 = 155024081 is a prime.
It is not a weakly prime, because it can be changed into another prime (155155123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77577576 + 77577577.
It is an arithmetic number, because the mean of its divisors is an integer number (77577577).
Almost surely, 2155155153 is an apocalyptic number.
It is an amenable number.
155155153 is a deficient number, since it is larger than the sum of its proper divisors (1).
155155153 is an equidigital number, since it uses as much as digits as its factorization.
155155153 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9375, while the sum is 31.
The square root of 155155153 is about 12456.1291338843. The cubic root of 155155153 is about 537.3477086487.
The spelling of 155155153 in words is "one hundred fifty-five million, one hundred fifty-five thousand, one hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •