Base | Representation |
---|---|
bin | 10110111111000101… |
… | …01010101010110111 |
3 | 1011212000112022000122 |
4 | 23133202222222313 |
5 | 200233111411211 |
6 | 5400304202155 |
7 | 614543112545 |
oct | 133742525267 |
9 | 34760468018 |
10 | 12340341431 |
11 | 526288a190 |
12 | 248490935b |
13 | 12188186a2 |
14 | 850cd2d95 |
15 | 4c359c6db |
hex | 2df8aaab7 |
12340341431 has 8 divisors (see below), whose sum is σ = 13483532928. Its totient is φ = 11200707000.
The previous prime is 12340341401. The next prime is 12340341439. The reversal of 12340341431 is 13414304321.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12340341431 - 226 = 12273232567 is a prime.
It is a super-2 number, since 2×123403414312 (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 12340341431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12340341439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882005 + ... + 895886.
It is an arithmetic number, because the mean of its divisors is an integer number (1685441616).
Almost surely, 212340341431 is an apocalyptic number.
12340341431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12340341431 is a deficient number, since it is larger than the sum of its proper divisors (1143191497).
12340341431 is a wasteful number, since it uses less digits than its factorization.
12340341431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1778533.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 12340341431 its reverse (13414304321), we get a palindrome (25754645752).
The spelling of 12340341431 in words is "twelve billion, three hundred forty million, three hundred forty-one thousand, four hundred thirty-one".
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