Base | Representation |
---|---|
bin | 11100100110110000… |
… | …110110111100101101 |
3 | 2221021120220102100110 |
4 | 130212300312330231 |
5 | 1000401032111021 |
6 | 22035455250233 |
7 | 2135102104110 |
oct | 344660667455 |
9 | 87246812313 |
10 | 30715113261 |
11 | 12031976228 |
12 | 5b52519979 |
13 | 2b86596541 |
14 | 16b53d8577 |
15 | beb7d4476 |
hex | 726c36f2d |
30715113261 has 16 divisors (see below), whose sum is σ = 48838938624. Its totient is φ = 16788384624.
The previous prime is 30715113217. The next prime is 30715113269. The reversal of 30715113261 is 16231151703.
It is not a de Polignac number, because 30715113261 - 26 = 30715113197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30715113269) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31795701 + ... + 31796666.
It is an arithmetic number, because the mean of its divisors is an integer number (3052433664).
Almost surely, 230715113261 is an apocalyptic number.
It is an amenable number.
30715113261 is a deficient number, since it is larger than the sum of its proper divisors (18123825363).
30715113261 is a wasteful number, since it uses less digits than its factorization.
30715113261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63592400.
The product of its (nonzero) digits is 3780, while the sum is 30.
Adding to 30715113261 its reverse (16231151703), we get a palindrome (46946264964).
The spelling of 30715113261 in words is "thirty billion, seven hundred fifteen million, one hundred thirteen thousand, two hundred sixty-one".
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