Base | Representation |
---|---|
bin | 1101011001111110101… |
… | …0101001001111101101 |
3 | 211000110211200222222201 |
4 | 3112133222221033231 |
5 | 12233134334214041 |
6 | 253445345541501 |
7 | 22432226615653 |
oct | 3263752511755 |
9 | 730424628881 |
10 | 230312023021 |
11 | 897471507a3 |
12 | 38777044891 |
13 | 18945231682 |
14 | b20bb4cdd3 |
15 | 5ece684631 |
hex | 359faa93ed |
230312023021 has 2 divisors, whose sum is σ = 230312023022. Its totient is φ = 230312023020.
The previous prime is 230312022973. The next prime is 230312023061. The reversal of 230312023021 is 120320213032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 228853164996 + 1458858025 = 478386^2 + 38195^2 .
It is a cyclic number.
It is not a de Polignac number, because 230312023021 - 215 = 230311990253 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230312023021.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230312023061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115156011510 + 115156011511.
It is an arithmetic number, because the mean of its divisors is an integer number (115156011511).
Almost surely, 2230312023021 is an apocalyptic number.
It is an amenable number.
230312023021 is a deficient number, since it is larger than the sum of its proper divisors (1).
230312023021 is an equidigital number, since it uses as much as digits as its factorization.
230312023021 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 230312023021 its reverse (120320213032), we get a palindrome (350632236053).
The spelling of 230312023021 in words is "two hundred thirty billion, three hundred twelve million, twenty-three thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •