Base | Representation |
---|---|
bin | 11001000010101101… |
… | …10000001001111111 |
3 | 1021200222020002121221 |
4 | 30201112300021333 |
5 | 210013243430211 |
6 | 10102030334211 |
7 | 654111326035 |
oct | 144126601177 |
9 | 37628202557 |
10 | 13444514431 |
11 | 577a094757 |
12 | 273265a367 |
13 | 13634ca8aa |
14 | 9177da555 |
15 | 53a4a9c71 |
hex | 3215b027f |
13444514431 has 2 divisors, whose sum is σ = 13444514432. Its totient is φ = 13444514430.
The previous prime is 13444514417. The next prime is 13444514441. The reversal of 13444514431 is 13441544431.
13444514431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13444514431 - 213 = 13444506239 is a prime.
It is a super-2 number, since 2×134445144312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13444514441) 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 as a sum of consecutive naturals, namely, 6722257215 + 6722257216.
It is an arithmetic number, because the mean of its divisors is an integer number (6722257216).
Almost surely, 213444514431 is an apocalyptic number.
13444514431 is a deficient number, since it is larger than the sum of its proper divisors (1).
13444514431 is an equidigital number, since it uses as much as digits as its factorization.
13444514431 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 46080, while the sum is 34.
The spelling of 13444514431 in words is "thirteen billion, four hundred forty-four million, five hundred fourteen thousand, four hundred thirty-one".
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