Base | Representation |
---|---|
bin | 10010111111011111… |
… | …100001010101000111 |
3 | 1221122012020102100102 |
4 | 102333133201111013 |
5 | 313231000033143 |
6 | 13211311434315 |
7 | 1321230034145 |
oct | 227737412507 |
9 | 57565212312 |
10 | 20392580423 |
11 | 8715097556 |
12 | 3b5152599b |
13 | 1bccb1c047 |
14 | db64b8595 |
15 | 7e54660b8 |
hex | 4bf7e1547 |
20392580423 has 2 divisors, whose sum is σ = 20392580424. Its totient is φ = 20392580422.
The previous prime is 20392580419. The next prime is 20392580447. The reversal of 20392580423 is 32408529302.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20392580423 - 22 = 20392580419 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20392580473) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10196290211 + 10196290212.
It is an arithmetic number, because the mean of its divisors is an integer number (10196290212).
Almost surely, 220392580423 is an apocalyptic number.
20392580423 is a deficient number, since it is larger than the sum of its proper divisors (1).
20392580423 is an equidigital number, since it uses as much as digits as its factorization.
20392580423 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 103680, while the sum is 38.
The spelling of 20392580423 in words is "twenty billion, three hundred ninety-two million, five hundred eighty thousand, four hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •