Base | Representation |
---|---|
bin | 11100001001111010… |
… | …001010001010110111 |
3 | 2220000211222112021222 |
4 | 130021322022022313 |
5 | 443403114341043 |
6 | 21515443300555 |
7 | 2120103235202 |
oct | 341172121267 |
9 | 86024875258 |
10 | 30231012023 |
11 | 11903688863 |
12 | 5a3837a75b |
13 | 2b0a1b9bc4 |
14 | 166adc0939 |
15 | bbe05bd68 |
hex | 709e8a2b7 |
30231012023 has 4 divisors (see below), whose sum is σ = 31048066440. Its totient is φ = 29413957608.
The previous prime is 30231012001. The next prime is 30231012073. The reversal of 30231012023 is 32021013203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30231012023 - 220 = 30229963447 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30231011992 and 30231012010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231012073) 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, 408527153 + ... + 408527226.
It is an arithmetic number, because the mean of its divisors is an integer number (7762016610).
Almost surely, 230231012023 is an apocalyptic number.
30231012023 is a deficient number, since it is larger than the sum of its proper divisors (817054417).
30231012023 is an equidigital number, since it uses as much as digits as its factorization.
30231012023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 817054416.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30231012023 its reverse (32021013203), we get a palindrome (62252025226).
The spelling of 30231012023 in words is "thirty billion, two hundred thirty-one million, twelve thousand, twenty-three".
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