Base | Representation |
---|---|
bin | 11100001001111010… |
… | …100000011001100111 |
3 | 2220000212011011012102 |
4 | 130021322200121213 |
5 | 443403130244304 |
6 | 21515445242315 |
7 | 2120104064522 |
oct | 341172403147 |
9 | 86025134172 |
10 | 30231103079 |
11 | 11903740211 |
12 | 5a3840339b |
13 | 2b0a21c498 |
14 | 166b005bb9 |
15 | bbe078d1e |
hex | 709ea0667 |
30231103079 has 2 divisors, whose sum is σ = 30231103080. Its totient is φ = 30231103078.
The previous prime is 30231103003. The next prime is 30231103081. The reversal of 30231103079 is 97030113203.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30231103079 - 28 = 30231102823 is a prime.
Together with 30231103081, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30231103379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115551539 + 15115551540.
It is an arithmetic number, because the mean of its divisors is an integer number (15115551540).
Almost surely, 230231103079 is an apocalyptic number.
30231103079 is a deficient number, since it is larger than the sum of its proper divisors (1).
30231103079 is an equidigital number, since it uses as much as digits as its factorization.
30231103079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3402, while the sum is 29.
The spelling of 30231103079 in words is "thirty billion, two hundred thirty-one million, one hundred three thousand, seventy-nine".
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