Base | Representation |
---|---|
bin | 10101011011110100… |
… | …001100111010110101 |
3 | 2012101222020201021121 |
4 | 111123310030322311 |
5 | 334113400410131 |
6 | 14323440343541 |
7 | 1443224243026 |
oct | 253364147265 |
9 | 65358221247 |
10 | 23015247541 |
11 | 9840564140 |
12 | 4563914bb1 |
13 | 222a29a390 |
14 | 118493ac4d |
15 | 8ea822911 |
hex | 55bd0ceb5 |
23015247541 has 32 divisors (see below), whose sum is σ = 27944300160. Its totient is φ = 18675148800.
The previous prime is 23015247533. The next prime is 23015247553. The reversal of 23015247541 is 14574251032.
It is not a de Polignac number, because 23015247541 - 23 = 23015247533 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23015247497 and 23015247506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23015248541) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645150 + ... + 679888.
It is an arithmetic number, because the mean of its divisors is an integer number (873259380).
Almost surely, 223015247541 is an apocalyptic number.
It is an amenable number.
23015247541 is a deficient number, since it is larger than the sum of its proper divisors (4929052619).
23015247541 is a wasteful number, since it uses less digits than its factorization.
23015247541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34917.
The product of its (nonzero) digits is 33600, while the sum is 34.
Adding to 23015247541 its reverse (14574251032), we get a palindrome (37589498573).
The spelling of 23015247541 in words is "twenty-three billion, fifteen million, two hundred forty-seven thousand, five hundred forty-one".
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