Base | Representation |
---|---|
bin | 11100010101010110… |
… | …111111100011100111 |
3 | 2220112020110122001001 |
4 | 130111112333203213 |
5 | 444301304320403 |
6 | 21550505014131 |
7 | 2124625153105 |
oct | 342526774347 |
9 | 86466418031 |
10 | 30423120103 |
11 | 119a2070472 |
12 | 5a90784347 |
13 | 2b3ac4001c |
14 | 168870ac75 |
15 | bd0d57c1d |
hex | 7155bf8e7 |
30423120103 has 16 divisors (see below), whose sum is σ = 32252568480. Its totient is φ = 28647755136.
The previous prime is 30423120097. The next prime is 30423120121. The reversal of 30423120103 is 30102132403.
It is a cyclic number.
It is not a de Polignac number, because 30423120103 - 25 = 30423120071 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 (30423120703) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826201 + ... + 862237.
It is an arithmetic number, because the mean of its divisors is an integer number (2015785530).
Almost surely, 230423120103 is an apocalyptic number.
30423120103 is a deficient number, since it is larger than the sum of its proper divisors (1829448377).
30423120103 is a wasteful number, since it uses less digits than its factorization.
30423120103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36786.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30423120103 its reverse (30102132403), we get a palindrome (60525252506).
The spelling of 30423120103 in words is "thirty billion, four hundred twenty-three million, one hundred twenty thousand, one hundred three".
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