Base | Representation |
---|---|
bin | 10101111001000101… |
… | …111010110101111001 |
3 | 2020200012111102210122 |
4 | 111321011322311321 |
5 | 341120121300403 |
6 | 14444304223025 |
7 | 1461340240556 |
oct | 257105726571 |
9 | 66605442718 |
10 | 23506431353 |
11 | 9a72849879 |
12 | 468030aa75 |
13 | 22a7c866a2 |
14 | 11cdc79a2d |
15 | 9289e8838 |
hex | 57917ad79 |
23506431353 has 4 divisors (see below), whose sum is σ = 23857273680. Its totient is φ = 23155589028.
The previous prime is 23506431341. The next prime is 23506431383. The reversal of 23506431353 is 35313460532.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23506431353 - 24 = 23506431337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23506431383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175421063 + ... + 175421196.
It is an arithmetic number, because the mean of its divisors is an integer number (5964318420).
Almost surely, 223506431353 is an apocalyptic number.
It is an amenable number.
23506431353 is a deficient number, since it is larger than the sum of its proper divisors (350842327).
23506431353 is an equidigital number, since it uses as much as digits as its factorization.
23506431353 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350842326.
The product of its (nonzero) digits is 97200, while the sum is 35.
Adding to 23506431353 its reverse (35313460532), we get a palindrome (58819891885).
The spelling of 23506431353 in words is "twenty-three billion, five hundred six million, four hundred thirty-one thousand, three hundred fifty-three".
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