Base | Representation |
---|---|
bin | 10110111111111000… |
… | …10110001111010010 |
3 | 1011212111012022200011 |
4 | 23133330112033102 |
5 | 200241322322430 |
6 | 5401104345134 |
7 | 614654251543 |
oct | 133774261722 |
9 | 34774168604 |
10 | 12347073490 |
11 | 5266668074 |
12 | 24870151aa |
13 | 121a03495b |
14 | 851b664ca |
15 | 4c3e7c22a |
hex | 2dff163d2 |
12347073490 has 8 divisors (see below), whose sum is σ = 22224732300. Its totient is φ = 4938829392.
The previous prime is 12347073461. The next prime is 12347073499. The reversal of 12347073490 is 9437074321.
It can be written as a sum of positive squares in 2 ways, for example, as 9906021841 + 2441051649 = 99529^2 + 49407^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12347073499) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617353665 + ... + 617353684.
Almost surely, 212347073490 is an apocalyptic number.
12347073490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12347073490 is a deficient number, since it is larger than the sum of its proper divisors (9877658810).
12347073490 is a wasteful number, since it uses less digits than its factorization.
12347073490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1234707356.
The product of its (nonzero) digits is 127008, while the sum is 40.
The spelling of 12347073490 in words is "twelve billion, three hundred forty-seven million, seventy-three thousand, four hundred ninety".
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