Base | Representation |
---|---|
bin | 11100001001111010… |
… | …001001111110000011 |
3 | 2220000211222111011121 |
4 | 130021322021332003 |
5 | 443403114324303 |
6 | 21515443253111 |
7 | 2120103232621 |
oct | 341172117603 |
9 | 86024874147 |
10 | 30231011203 |
11 | 11903688188 |
12 | 5a3837a197 |
13 | 2b0a1b9713 |
14 | 166adc0511 |
15 | bbe05b9bd |
hex | 709e89f83 |
30231011203 has 4 divisors (see below), whose sum is σ = 30243398328. Its totient is φ = 30218624080.
The previous prime is 30231011197. The next prime is 30231011219. The reversal of 30231011203 is 30211013203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30231011203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30231011273) 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, 6189901 + ... + 6194782.
It is an arithmetic number, because the mean of its divisors is an integer number (7560849582).
Almost surely, 230231011203 is an apocalyptic number.
30231011203 is a deficient number, since it is larger than the sum of its proper divisors (12387125).
30231011203 is a wasteful number, since it uses less digits than its factorization.
30231011203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12387124.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30231011203 its reverse (30211013203), we get a palindrome (60442024406).
The spelling of 30231011203 in words is "thirty billion, two hundred thirty-one million, eleven thousand, two hundred three".
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