Base | Representation |
---|---|
bin | 11011111111110010101100… |
… | …001010111110011101000010 |
3 | 121010222012122212100200110122 |
4 | 123333302230022332131002 |
5 | 112114334302304001010 |
6 | 1113513334444500242 |
7 | 34635631144442660 |
oct | 3377625412763502 |
9 | 533865585320418 |
10 | 123131011000130 |
11 | 36262628766411 |
12 | 1198774654a682 |
13 | 5392287420413 |
14 | 2259803803c30 |
15 | e37dc0863855 |
hex | 6ffcac2be742 |
123131011000130 has 64 divisors (see below), whose sum is σ = 254729935579392. Its totient is φ = 41977763377920.
The previous prime is 123131011000103. The next prime is 123131011000133. The reversal of 123131011000130 is 31000110131321.
It is a super-2 number, since 2×1231310110001302 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 123131011000099 and 123131011000108.
It is not an unprimeable number, because it can be changed into a prime (123131011000133) 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, 99567152 + ... + 100796228.
It is an arithmetic number, because the mean of its divisors is an integer number (3980155243428).
Almost surely, 2123131011000130 is an apocalyptic number.
123131011000130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123131011000130 is an abundant number, since it is smaller than the sum of its proper divisors (131598924579262).
123131011000130 is a wasteful number, since it uses less digits than its factorization.
123131011000130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1237179.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 123131011000130 its reverse (31000110131321), we get a palindrome (154131121131451).
The spelling of 123131011000130 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, eleven million, one hundred thirty", and thus it is an aban number.
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