Base | Representation |
---|---|
bin | 11100001001111010… |
… | …001100011010100111 |
3 | 2220000211222222220201 |
4 | 130021322030122213 |
5 | 443403120134343 |
6 | 21515443411331 |
7 | 2120103304054 |
oct | 341172143247 |
9 | 86024888821 |
10 | 30231021223 |
11 | 11903694767 |
12 | 5a38383b47 |
13 | 2b0a1c1150 |
14 | 166adc402b |
15 | bbe05e94d |
hex | 709e8c6a7 |
30231021223 has 8 divisors (see below), whose sum is σ = 33606694016. Its totient is φ = 27005378400.
The previous prime is 30231021217. The next prime is 30231021241. The reversal of 30231021223 is 32212013203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30231021223 - 225 = 30197466791 is a prime.
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 30231021223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231021523) 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, 37507068 + ... + 37507873.
It is an arithmetic number, because the mean of its divisors is an integer number (4200836752).
Almost surely, 230231021223 is an apocalyptic number.
30231021223 is a deficient number, since it is larger than the sum of its proper divisors (3375672793).
30231021223 is a wasteful number, since it uses less digits than its factorization.
30231021223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75014985.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30231021223 its reverse (32212013203), we get a palindrome (62443034426).
The spelling of 30231021223 in words is "thirty billion, two hundred thirty-one million, twenty-one thousand, two hundred twenty-three".
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