Base | Representation |
---|---|
bin | 101101110111101… |
… | …0100001100010001 |
3 | 10222021010220121121 |
4 | 1123233110030101 |
5 | 11123004131004 |
6 | 412420522241 |
7 | 53066250565 |
oct | 13357241421 |
9 | 3867126547 |
10 | 1539130129 |
11 | 71a887279 |
12 | 36b550381 |
13 | 1b6b42bb4 |
14 | 1085ab6a5 |
15 | 901c8854 |
hex | 5bbd4311 |
1539130129 has 8 divisors (see below), whose sum is σ = 1590902528. Its totient is φ = 1487490480.
The previous prime is 1539130127. The next prime is 1539130147. The reversal of 1539130129 is 9210319351.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1539130129 - 21 = 1539130127 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1539130094 and 1539130103.
It is not an unprimeable number, because it can be changed into a prime (1539130121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9327 + ... + 56260.
It is an arithmetic number, because the mean of its divisors is an integer number (198862816).
Almost surely, 21539130129 is an apocalyptic number.
It is an amenable number.
1539130129 is a deficient number, since it is larger than the sum of its proper divisors (51772399).
1539130129 is an equidigital number, since it uses as much as digits as its factorization.
1539130129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66375.
The product of its (nonzero) digits is 7290, while the sum is 34.
The square root of 1539130129 is about 39231.7489923659. The cubic root of 1539130129 is about 1154.5828791809.
The spelling of 1539130129 in words is "one billion, five hundred thirty-nine million, one hundred thirty thousand, one hundred twenty-nine".
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