Base | Representation |
---|---|
bin | 1110010000011001000111… |
… | …00011101001011110110001 |
3 | 11002222222200221021101221101 |
4 | 13020030203203221132301 |
5 | 13102112401041403014 |
6 | 150401442414324401 |
7 | 6413634251305420 |
oct | 710144343513661 |
9 | 132888627241841 |
10 | 31349562841009 |
11 | 9a97302a40276 |
12 | 36239091b9701 |
13 | 146533585443a |
14 | 7a548118b2b7 |
15 | 395719ee0474 |
hex | 1c83238e97b1 |
31349562841009 has 4 divisors (see below), whose sum is σ = 35828071818304. Its totient is φ = 26871053863716.
The previous prime is 31349562840977. The next prime is 31349562841021. The reversal of 31349562841009 is 90014826594313.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31349562841009 - 25 = 31349562840977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31349562841609) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239254488637 + ... + 2239254488650.
It is an arithmetic number, because the mean of its divisors is an integer number (8957017954576).
Almost surely, 231349562841009 is an apocalyptic number.
It is an amenable number.
31349562841009 is a deficient number, since it is larger than the sum of its proper divisors (4478508977295).
31349562841009 is an equidigital number, since it uses as much as digits as its factorization.
31349562841009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4478508977294.
The product of its (nonzero) digits is 5598720, while the sum is 55.
The spelling of 31349562841009 in words is "thirty-one trillion, three hundred forty-nine billion, five hundred sixty-two million, eight hundred forty-one thousand, nine".
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