Base | Representation |
---|---|
bin | 11100000010011001100000… |
… | …100000001110110100101100 |
3 | 121011121022222222121021100211 |
4 | 130002121200200032310230 |
5 | 112130303121303131340 |
6 | 1114131520341232204 |
7 | 34654601656101145 |
oct | 3402314040166454 |
9 | 534538888537324 |
10 | 123310130130220 |
11 | 36321594851a30 |
12 | 119b63b5102664 |
13 | 53a6131708767 |
14 | 2264356622acc |
15 | e3c8a5a6d5ea |
hex | 70266080ed2c |
123310130130220 has 96 divisors (see below), whose sum is σ = 282823540876800. Its totient is φ = 44787493670400.
The previous prime is 123310130130191. The next prime is 123310130130251. The reversal of 123310130130220 is 22031031013321.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 123310130130191 and 123310130130200.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 826628001 + ... + 826777159.
It is an arithmetic number, because the mean of its divisors is an integer number (2946078550800).
Almost surely, 2123310130130220 is an apocalyptic number.
123310130130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123310130130220 is an abundant number, since it is smaller than the sum of its proper divisors (159513410746580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123310130130220 is a wasteful number, since it uses less digits than its factorization.
123310130130220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153559 (or 153557 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 123310130130220 its reverse (22031031013321), we get a palindrome (145341161143541).
The spelling of 123310130130220 in words is "one hundred twenty-three trillion, three hundred ten billion, one hundred thirty million, one hundred thirty thousand, two hundred twenty".
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