Base | Representation |
---|---|
bin | 111001010101100100… |
… | …0001010111001110000 |
3 | 102202211011001200200101 |
4 | 1302223020022321300 |
5 | 4004132303130112 |
6 | 132322030002144 |
7 | 11616164556640 |
oct | 1625310127160 |
9 | 382734050611 |
10 | 123130130032 |
11 | 48245826148 |
12 | 1ba44046354 |
13 | b7c3831610 |
14 | 5d60d44520 |
15 | 3309ba1757 |
hex | 1cab20ae70 |
123130130032 has 40 divisors (see below), whose sum is σ = 293618005856. Its totient is φ = 48710820096.
The previous prime is 123130130029. The next prime is 123130130113. The reversal of 123130130032 is 230031031321.
It is a super-2 number, since 2×1231301300322 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 123130129991 and 123130130009.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42282243 + ... + 42285154.
Almost surely, 2123130130032 is an apocalyptic number.
It is an amenable number.
123130130032 is an abundant number, since it is smaller than the sum of its proper divisors (170487875824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123130130032 is a wasteful number, since it uses less digits than its factorization.
123130130032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84567425 (or 84567419 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 123130130032 its reverse (230031031321), we get a palindrome (353161161353).
The spelling of 123130130032 in words is "one hundred twenty-three billion, one hundred thirty million, one hundred thirty thousand, thirty-two".
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