Base | Representation |
---|---|
bin | 11000110101100011… |
… | …01000101111010111 |
3 | 1021102021111112220022 |
4 | 30122301220233113 |
5 | 204302013341211 |
6 | 10043044255355 |
7 | 651301106411 |
oct | 143261505727 |
9 | 37367445808 |
10 | 13334121431 |
11 | 5722844874 |
12 | 27016a155b |
13 | 13466886a7 |
14 | 906ca19b1 |
15 | 530950bdb |
hex | 31ac68bd7 |
13334121431 has 4 divisors (see below), whose sum is σ = 13334415864. Its totient is φ = 13333827000.
The previous prime is 13334121403. The next prime is 13334121469. The reversal of 13334121431 is 13412143331.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13334121431 - 210 = 13334120407 is a prime.
It is a super-2 number, since 2×133341214312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13334121431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13334127431) 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 3 ways as a sum of consecutive naturals, for example, 63365 + ... + 175166.
It is an arithmetic number, because the mean of its divisors is an integer number (3333603966).
Almost surely, 213334121431 is an apocalyptic number.
13334121431 is a deficient number, since it is larger than the sum of its proper divisors (294433).
13334121431 is an equidigital number, since it uses as much as digits as its factorization.
13334121431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294432.
The product of its digits is 2592, while the sum is 26.
Adding to 13334121431 its reverse (13412143331), we get a palindrome (26746264762).
The spelling of 13334121431 in words is "thirteen billion, three hundred thirty-four million, one hundred twenty-one thousand, four hundred thirty-one".
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