Base | Representation |
---|---|
bin | 10101101101100100… |
… | …111110000100001111 |
3 | 2020011201222112011110 |
4 | 111231210332010033 |
5 | 340221142310211 |
6 | 14413203423103 |
7 | 1453503210441 |
oct | 255544760417 |
9 | 66151875143 |
10 | 23313244431 |
11 | 998379a664 |
12 | 4627684a93 |
13 | 2276c464b9 |
14 | 11b234c491 |
15 | 916a87ea6 |
hex | 56d93e10f |
23313244431 has 16 divisors (see below), whose sum is σ = 31398312960. Its totient is φ = 15385949760.
The previous prime is 23313244421. The next prime is 23313244489. The reversal of 23313244431 is 13444231332.
It is a happy number.
It is not a de Polignac number, because 23313244431 - 25 = 23313244399 is a prime.
It is a super-2 number, since 2×233132444312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23313244421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22411 + ... + 217091.
It is an arithmetic number, because the mean of its divisors is an integer number (1962394560).
Almost surely, 223313244431 is an apocalyptic number.
23313244431 is a deficient number, since it is larger than the sum of its proper divisors (8085068529).
23313244431 is a wasteful number, since it uses less digits than its factorization.
23313244431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195086.
The product of its digits is 20736, while the sum is 30.
Adding to 23313244431 its reverse (13444231332), we get a palindrome (36757475763).
The spelling of 23313244431 in words is "twenty-three billion, three hundred thirteen million, two hundred forty-four thousand, four hundred thirty-one".
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