Base | Representation |
---|---|
bin | 10110111010010010… |
… | …01111101110010110 |
3 | 1011202012211222202020 |
4 | 23131021033232112 |
5 | 200142312414110 |
6 | 5352310154010 |
7 | 613544214666 |
oct | 133511175626 |
9 | 34665758666 |
10 | 12300123030 |
11 | 524210a538 |
12 | 2473352906 |
13 | 12103a6610 |
14 | 8498241a6 |
15 | 4beca5d70 |
hex | 2dd24fb96 |
12300123030 has 64 divisors (see below), whose sum is σ = 31806129600. Its totient is φ = 3026290176.
The previous prime is 12300123023. The next prime is 12300123049. The reversal of 12300123030 is 3032100321.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
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, 987924 + ... + 1000296.
It is an arithmetic number, because the mean of its divisors is an integer number (496970775).
Almost surely, 212300123030 is an apocalyptic number.
12300123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12300123030 is an abundant number, since it is smaller than the sum of its proper divisors (19506006570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12300123030 is a wasteful number, since it uses less digits than its factorization.
12300123030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14945.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 12300123030 its reverse (3032100321), we get a palindrome (15332223351).
The spelling of 12300123030 in words is "twelve billion, three hundred million, one hundred twenty-three thousand, thirty".
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