Base | Representation |
---|---|
bin | 10101101101111111… |
… | …111011100101000101 |
3 | 2020012020021121020012 |
4 | 111231333323211011 |
5 | 340224444442013 |
6 | 14414015120005 |
7 | 1453620245126 |
oct | 255577734505 |
9 | 66166247205 |
10 | 23320312133 |
11 | 9987787738 |
12 | 4629b13005 |
13 | 227854c481 |
14 | 11b326c04d |
15 | 9174d21a8 |
hex | 56dffb945 |
23320312133 has 8 divisors (see below), whose sum is σ = 23566777752. Its totient is φ = 23073970176.
The previous prime is 23320312129. The next prime is 23320312153. The reversal of 23320312133 is 33121302332.
It can be written as a sum of positive squares in 4 ways, for example, as 3881539204 + 19438772929 = 62302^2 + 139423^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23320312133 - 22 = 23320312129 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23320312099 and 23320312108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23320312153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376391 + ... + 433947.
It is an arithmetic number, because the mean of its divisors is an integer number (2945847219).
Almost surely, 223320312133 is an apocalyptic number.
It is an amenable number.
23320312133 is a deficient number, since it is larger than the sum of its proper divisors (246465619).
23320312133 is an equidigital number, since it uses as much as digits as its factorization.
23320312133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61831.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 23320312133 its reverse (33121302332), we get a palindrome (56441614465).
The spelling of 23320312133 in words is "twenty-three billion, three hundred twenty million, three hundred twelve thousand, one hundred thirty-three".
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