Base | Representation |
---|---|
bin | 111001010111101111… |
… | …0100101000101100001 |
3 | 102210000020101121220212 |
4 | 1302233132211011201 |
5 | 4004304444111223 |
6 | 132333154143505 |
7 | 11621042120120 |
oct | 1625736450541 |
9 | 383006347825 |
10 | 123203113313 |
11 | 48282a44605 |
12 | 1ba64581b95 |
13 | b8059a5ca7 |
14 | 5d6a901ab7 |
15 | 33112bb278 |
hex | 1caf7a5161 |
123203113313 has 16 divisors (see below), whose sum is σ = 142756229760. Its totient is φ = 104138649216.
The previous prime is 123203113291. The next prime is 123203113379. The reversal of 123203113313 is 313311302321.
It is not a de Polignac number, because 123203113313 - 26 = 123203113249 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123203113013) 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, 3718406 + ... + 3751392.
It is an arithmetic number, because the mean of its divisors is an integer number (8922264360).
Almost surely, 2123203113313 is an apocalyptic number.
It is an amenable number.
123203113313 is a deficient number, since it is larger than the sum of its proper divisors (19553116447).
123203113313 is an equidigital number, since it uses as much as digits as its factorization.
123203113313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40376.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 123203113313 its reverse (313311302321), we get a palindrome (436514415634).
The spelling of 123203113313 in words is "one hundred twenty-three billion, two hundred three million, one hundred thirteen thousand, three hundred thirteen".
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