Base | Representation |
---|---|
bin | 101101100110011… |
… | …1011010010101101 |
3 | 10221122011220112000 |
4 | 1123030323102231 |
5 | 11113202141440 |
6 | 411455402513 |
7 | 52626523251 |
oct | 13314732255 |
9 | 3848156460 |
10 | 1530115245 |
11 | 71578a25a |
12 | 368523439 |
13 | 1b5007849 |
14 | 107302261 |
15 | 8e4e7730 |
hex | 5b33b4ad |
1530115245 has 16 divisors (see below), whose sum is σ = 2720205120. Its totient is φ = 816061392.
The previous prime is 1530115231. The next prime is 1530115253. The reversal of 1530115245 is 5425110351.
It is not a de Polignac number, because 1530115245 - 210 = 1530114221 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5666959 + ... + 5667228.
It is an arithmetic number, because the mean of its divisors is an integer number (170012820).
Almost surely, 21530115245 is an apocalyptic number.
1530115245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1530115245 is a deficient number, since it is larger than the sum of its proper divisors (1190089875).
1530115245 is a wasteful number, since it uses less digits than its factorization.
1530115245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11334201 (or 11334195 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
The square root of 1530115245 is about 39116.6875514786. The cubic root of 1530115245 is about 1152.3242834357.
Adding to 1530115245 its reverse (5425110351), we get a palindrome (6955225596).
The spelling of 1530115245 in words is "one billion, five hundred thirty million, one hundred fifteen thousand, two hundred forty-five".
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