Base | Representation |
---|---|
bin | 101101100110100… |
… | …0001001000010111 |
3 | 10221122020010022201 |
4 | 1123031001020113 |
5 | 11113203423114 |
6 | 411500105331 |
7 | 52626653053 |
oct | 13315011027 |
9 | 3848203281 |
10 | 1530139159 |
11 | 7157a621a |
12 | 368535247 |
13 | 1b50156b3 |
14 | 10730ac63 |
15 | 8e4ee874 |
hex | 5b341217 |
1530139159 has 2 divisors, whose sum is σ = 1530139160. Its totient is φ = 1530139158.
The previous prime is 1530139157. The next prime is 1530139201. The reversal of 1530139159 is 9519310351.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1530139159 - 21 = 1530139157 is a prime.
Together with 1530139157, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1530139153) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765069579 + 765069580.
It is an arithmetic number, because the mean of its divisors is an integer number (765069580).
Almost surely, 21530139159 is an apocalyptic number.
1530139159 is a deficient number, since it is larger than the sum of its proper divisors (1).
1530139159 is an equidigital number, since it uses as much as digits as its factorization.
1530139159 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18225, while the sum is 37.
The square root of 1530139159 is about 39116.9932254513. The cubic root of 1530139159 is about 1152.3302865868.
The spelling of 1530139159 in words is "one billion, five hundred thirty million, one hundred thirty-nine thousand, one hundred fifty-nine".
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