Base | Representation |
---|---|
bin | 10110100100001110… |
… | …01111010010110111 |
3 | 1011021022121011222221 |
4 | 23102013033102313 |
5 | 144302423010412 |
6 | 5322055303211 |
7 | 606136130335 |
oct | 132207172267 |
9 | 34238534887 |
10 | 12115047607 |
11 | 51576a0643 |
12 | 242137ab07 |
13 | 11b0c46530 |
14 | 82d008b55 |
15 | 4ad8e8b07 |
hex | 2d21cf4b7 |
12115047607 has 32 divisors (see below), whose sum is σ = 13443655680. Its totient is φ = 10849662720.
The previous prime is 12115047589. The next prime is 12115047611. The reversal of 12115047607 is 70674051121.
It is not a de Polignac number, because 12115047607 - 27 = 12115047479 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12115047617) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26509723 + ... + 26510179.
It is an arithmetic number, because the mean of its divisors is an integer number (420114240).
Almost surely, 212115047607 is an apocalyptic number.
12115047607 is a deficient number, since it is larger than the sum of its proper divisors (1328608073).
12115047607 is a wasteful number, since it uses less digits than its factorization.
12115047607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 943.
The product of its (nonzero) digits is 11760, while the sum is 34.
Adding to 12115047607 its reverse (70674051121), we get a palindrome (82789098728).
The spelling of 12115047607 in words is "twelve billion, one hundred fifteen million, forty-seven thousand, six hundred seven".
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