Base | Representation |
---|---|
bin | 10110111101000100… |
… | …01010000000010101 |
3 | 1011210211201010110221 |
4 | 23132202022000111 |
5 | 200214244233141 |
6 | 5354501514341 |
7 | 614246300401 |
oct | 133642120025 |
9 | 34724633427 |
10 | 12323430421 |
11 | 5254289745 |
12 | 247b1129b1 |
13 | 1215177283 |
14 | 84c970101 |
15 | 4c1d5bbd1 |
hex | 2de88a015 |
12323430421 has 8 divisors (see below), whose sum is σ = 12377836800. Its totient is φ = 12269088240.
The previous prime is 12323430401. The next prime is 12323430437. The reversal of 12323430421 is 12403432321.
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 12323430421 - 27 = 12323430293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12323430401) 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, 391300 + ... + 421618.
It is an arithmetic number, because the mean of its divisors is an integer number (1547229600).
Almost surely, 212323430421 is an apocalyptic number.
It is an amenable number.
12323430421 is a deficient number, since it is larger than the sum of its proper divisors (54406379).
12323430421 is a wasteful number, since it uses less digits than its factorization.
12323430421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32099.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 12323430421 its reverse (12403432321), we get a palindrome (24726862742).
The spelling of 12323430421 in words is "twelve billion, three hundred twenty-three million, four hundred thirty thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •