Base | Representation |
---|---|
bin | 10010010101010… |
… | …10101010111001 |
3 | 101201101101210221 |
4 | 21022222222321 |
5 | 303332304121 |
6 | 23132140041 |
7 | 3545126506 |
oct | 1112525271 |
9 | 351341727 |
10 | 153791161 |
11 | 798a1637 |
12 | 43607621 |
13 | 25b286b4 |
14 | 165d44ad |
15 | d77cb41 |
hex | 92aaab9 |
153791161 has 2 divisors, whose sum is σ = 153791162. Its totient is φ = 153791160.
The previous prime is 153791159. The next prime is 153791173. The reversal of 153791161 is 161197351.
153791161 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., 86862400 + 66928761 = 9320^2 + 8181^2 .
It is a cyclic number.
It is not a de Polignac number, because 153791161 - 21 = 153791159 is a prime.
It is a super-4 number, since 4×1537911614 (a number of 34 digits) contains 4444 as substring.
Together with 153791159, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (153791101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76895580 + 76895581.
It is an arithmetic number, because the mean of its divisors is an integer number (76895581).
Almost surely, 2153791161 is an apocalyptic number.
It is an amenable number.
153791161 is a deficient number, since it is larger than the sum of its proper divisors (1).
153791161 is an equidigital number, since it uses as much as digits as its factorization.
153791161 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5670, while the sum is 34.
The square root of 153791161 is about 12401.2564282818. The cubic root of 153791161 is about 535.7684371859.
The spelling of 153791161 in words is "one hundred fifty-three million, seven hundred ninety-one thousand, one hundred sixty-one".
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