Base | Representation |
---|---|
bin | 11101000101000011… |
… | …001000111101001101 |
3 | 2222121000000000122002 |
4 | 131011003020331031 |
5 | 1002421121101333 |
6 | 22202130002045 |
7 | 2153512003010 |
oct | 350503107515 |
9 | 88530000562 |
10 | 31223222093 |
11 | 12272770988 |
12 | 6074716325 |
13 | 2c3792a45b |
14 | 1722aa1377 |
15 | c2b2000e8 |
hex | 7450c8f4d |
31223222093 has 8 divisors (see below), whose sum is σ = 35761768512. Its totient is φ = 26704197216.
The previous prime is 31223222077. The next prime is 31223222143. The reversal of 31223222093 is 39022232213.
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 31223222093 - 24 = 31223222077 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31223222053) 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 in 7 ways as a sum of consecutive naturals, for example, 4876955 + ... + 4883352.
It is an arithmetic number, because the mean of its divisors is an integer number (4470221064).
Almost surely, 231223222093 is an apocalyptic number.
It is an amenable number.
31223222093 is a deficient number, since it is larger than the sum of its proper divisors (4538546419).
31223222093 is an equidigital number, since it uses as much as digits as its factorization.
31223222093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9760771.
The product of its (nonzero) digits is 7776, while the sum is 29.
The spelling of 31223222093 in words is "thirty-one billion, two hundred twenty-three million, two hundred twenty-two thousand, ninety-three".
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