Base | Representation |
---|---|
bin | 11100010101010110… |
… | …101010010100100001 |
3 | 2220112020022012201111 |
4 | 130111112222110201 |
5 | 444301244024441 |
6 | 21550503103321 |
7 | 2124624341365 |
oct | 342526522441 |
9 | 86466265644 |
10 | 30423033121 |
11 | 119a2011088 |
12 | 5a90741b41 |
13 | 2b3ac0c560 |
14 | 16886c72a5 |
15 | bd0d3c081 |
hex | 7155aa521 |
30423033121 has 8 divisors (see below), whose sum is σ = 32797021824. Its totient is φ = 28053866640.
The previous prime is 30423033097. The next prime is 30423033203. The reversal of 30423033121 is 12133032403.
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 30423033121 - 29 = 30423032609 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30423033092 and 30423033101.
It is not an unprimeable number, because it can be changed into a prime (30423033521) 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, 1192441 + ... + 1217686.
It is an arithmetic number, because the mean of its divisors is an integer number (4099627728).
Almost surely, 230423033121 is an apocalyptic number.
It is an amenable number.
30423033121 is a deficient number, since it is larger than the sum of its proper divisors (2373988703).
30423033121 is a wasteful number, since it uses less digits than its factorization.
30423033121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2411111.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 30423033121 its reverse (12133032403), we get a palindrome (42556065524).
The spelling of 30423033121 in words is "thirty billion, four hundred twenty-three million, thirty-three thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •