Base | Representation |
---|---|
bin | 1101011100111111010… |
… | …1010101100000000101 |
3 | 211002120011022012020122 |
4 | 3113033311111200011 |
5 | 12241313223211401 |
6 | 254101454311325 |
7 | 22461241465055 |
oct | 3271765254005 |
9 | 732504265218 |
10 | 231120132101 |
11 | 8a021320041 |
12 | 389617b8545 |
13 | 18a43793521 |
14 | b2871c9565 |
15 | 602a5ae21b |
hex | 35cfd55805 |
231120132101 has 16 divisors (see below), whose sum is σ = 244912128000. Its totient is φ = 217494568368.
The previous prime is 231120132091. The next prime is 231120132161. The reversal of 231120132101 is 101231021132.
It is a cyclic number.
It is not a de Polignac number, because 231120132101 - 222 = 231115937797 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 231120132101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231120132161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244716 + ... + 2345418.
It is an arithmetic number, because the mean of its divisors is an integer number (15307008000).
Almost surely, 2231120132101 is an apocalyptic number.
It is an amenable number.
231120132101 is a deficient number, since it is larger than the sum of its proper divisors (13791995899).
231120132101 is a wasteful number, since it uses less digits than its factorization.
231120132101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101528.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 231120132101 its reverse (101231021132), we get a palindrome (332351153233).
The spelling of 231120132101 in words is "two hundred thirty-one billion, one hundred twenty million, one hundred thirty-two thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •