Base | Representation |
---|---|
bin | 11011011011100… |
… | …01011001010101 |
3 | 121000222102110000 |
4 | 31231301121111 |
5 | 432401240423 |
6 | 34455521513 |
7 | 5462561046 |
oct | 1555613125 |
9 | 530872400 |
10 | 230102613 |
11 | 108983554 |
12 | 65089299 |
13 | 38896bc0 |
14 | 227ba8cd |
15 | 15303843 |
hex | db71655 |
230102613 has 20 divisors (see below), whose sum is σ = 370176268. Its totient is φ = 141600960.
The previous prime is 230102591. The next prime is 230102623. The reversal of 230102613 is 316201032.
It can be written as a sum of positive squares in 2 ways, for example, as 10381284 + 219721329 = 3222^2 + 14823^2 .
It is not a de Polignac number, because 230102613 - 28 = 230102357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230102623) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 108208 + ... + 110313.
Almost surely, 2230102613 is an apocalyptic number.
It is an amenable number.
230102613 is a deficient number, since it is larger than the sum of its proper divisors (140073655).
230102613 is a wasteful number, since it uses less digits than its factorization.
230102613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218546 (or 218537 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 230102613 is about 15169.1335612816. The cubic root of 230102613 is about 612.7836702403.
Adding to 230102613 its reverse (316201032), we get a palindrome (546303645).
The spelling of 230102613 in words is "two hundred thirty million, one hundred two thousand, six hundred thirteen".
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