Base | Representation |
---|---|
bin | 1101011000111001010… |
… | …0111001100100001111 |
3 | 210222201120022002101112 |
4 | 3112032110321210033 |
5 | 12232040401010111 |
6 | 253400434402235 |
7 | 22422065114066 |
oct | 3261624714417 |
9 | 728646262345 |
10 | 230021110031 |
11 | 89607a13539 |
12 | 386b573037b |
13 | 188c9b959cb |
14 | b1c12631dd |
15 | 5eb3d6ce8b |
hex | 358e53990f |
230021110031 has 4 divisors (see below), whose sum is σ = 230168655600. Its totient is φ = 229873564464.
The previous prime is 230021110001. The next prime is 230021110127. The reversal of 230021110031 is 130011120032.
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 230021110031 - 214 = 230021093647 is a prime.
It is a super-2 number, since 2×2300211100312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230021109988 and 230021110015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230021110001) 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, 73770446 + ... + 73773563.
It is an arithmetic number, because the mean of its divisors is an integer number (57542163900).
Almost surely, 2230021110031 is an apocalyptic number.
230021110031 is a deficient number, since it is larger than the sum of its proper divisors (147545569).
230021110031 is a wasteful number, since it uses less digits than its factorization.
230021110031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147545568.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 230021110031 its reverse (130011120032), we get a palindrome (360032230063).
The spelling of 230021110031 in words is "two hundred thirty billion, twenty-one million, one hundred ten thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •