Base | Representation |
---|---|
bin | 1100011110000010100… |
… | …0111011100001000111 |
3 | 202110221111220111022101 |
4 | 3013200220323201013 |
5 | 12002211342122211 |
6 | 242225021412531 |
7 | 21322424566156 |
oct | 3074050734107 |
9 | 673844814271 |
10 | 214222223431 |
11 | 8293a951167 |
12 | 3562670a147 |
13 | 1727c9967b8 |
14 | a522cc359d |
15 | 588bd515c1 |
hex | 31e0a3b847 |
214222223431 has 4 divisors (see below), whose sum is σ = 214256227864. Its totient is φ = 214188219000.
The previous prime is 214222223429. The next prime is 214222223441. The reversal of 214222223431 is 134322222412.
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 214222223431 - 21 = 214222223429 is a prime.
It is a super-2 number, since 2×2142222234312 (a number of 23 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 214222223431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214222223441) 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, 16992765 + ... + 17005366.
It is an arithmetic number, because the mean of its divisors is an integer number (53564056966).
Almost surely, 2214222223431 is an apocalyptic number.
214222223431 is a deficient number, since it is larger than the sum of its proper divisors (34004433).
214222223431 is an equidigital number, since it uses as much as digits as its factorization.
214222223431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34004432.
The product of its digits is 9216, while the sum is 28.
Adding to 214222223431 its reverse (134322222412), we get a palindrome (348544445843).
The spelling of 214222223431 in words is "two hundred fourteen billion, two hundred twenty-two million, two hundred twenty-three thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.102 sec. • engine limits •