Base | Representation |
---|---|
bin | 10111010001000000… |
… | …10111010100101111 |
3 | 1012020111111222021002 |
4 | 23220200113110233 |
5 | 201040111422342 |
6 | 5423235430515 |
7 | 621350322515 |
oct | 135040272457 |
9 | 35214458232 |
10 | 12490732847 |
11 | 532a76950a |
12 | 250715543b |
13 | 1240a237a8 |
14 | 866c804b5 |
15 | 4d18a7d32 |
hex | 2e881752f |
12490732847 has 16 divisors (see below), whose sum is σ = 13404945312. Its totient is φ = 11597383680.
The previous prime is 12490732823. The next prime is 12490732901. The reversal of 12490732847 is 74823709421.
It is a happy number.
12490732847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12490732847 - 214 = 12490716463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12490732747) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 424133 + ... + 452625.
It is an arithmetic number, because the mean of its divisors is an integer number (837809082).
Almost surely, 212490732847 is an apocalyptic number.
12490732847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
12490732847 is a deficient number, since it is larger than the sum of its proper divisors (914212465).
12490732847 is a wasteful number, since it uses less digits than its factorization.
12490732847 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28858.
The product of its (nonzero) digits is 677376, while the sum is 47.
The spelling of 12490732847 in words is "twelve billion, four hundred ninety million, seven hundred thirty-two thousand, eight hundred forty-seven".
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