Base | Representation |
---|---|
bin | 11000000110110111… |
… | …00111001101000000 |
3 | 1020101222112200212211 |
4 | 30003123213031000 |
5 | 203001233101000 |
6 | 5540134031504 |
7 | 635504124343 |
oct | 140333471500 |
9 | 36358480784 |
10 | 12942472000 |
11 | 5541762857 |
12 | 26124a8594 |
13 | 12b34abc73 |
14 | 8aac7245a |
15 | 50b38b7ba |
hex | 3036e7340 |
12942472000 has 56 divisors (see below), whose sum is σ = 32052051720. Its totient is φ = 5176985600.
The previous prime is 12942471967. The next prime is 12942472019. The reversal of 12942472000 is 27424921.
It can be written as a sum of positive squares in 4 ways, for example, as 2016369216 + 10926102784 = 44904^2 + 104528^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800905 + ... + 816904.
Almost surely, 212942472000 is an apocalyptic number.
12942472000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12942472000 is an abundant number, since it is smaller than the sum of its proper divisors (19109579720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12942472000 is an equidigital number, since it uses as much as digits as its factorization.
12942472000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1617836 (or 1617816 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 31.
Adding to 12942472000 its reverse (27424921), we get a palindrome (12969896921).
The spelling of 12942472000 in words is "twelve billion, nine hundred forty-two million, four hundred seventy-two thousand".
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