Base | Representation |
---|---|
bin | 110100100110010010110111… |
… | …101111110101000010011111 |
3 | 1010100001221012221002220102122 |
4 | 310212102313233311002133 |
5 | 220310102340430043403 |
6 | 2135555313353413155 |
7 | 66504020402546162 |
oct | 6446226757650237 |
9 | 1110057187086378 |
10 | 231330021331103 |
11 | 67788569309a32 |
12 | 21b4138410a1bb |
13 | 9c104344188b6 |
14 | 411a60b757ad9 |
15 | 1bb26586cc838 |
hex | d264b7bf509f |
231330021331103 has 16 divisors (see below), whose sum is σ = 234594629961120. Its totient is φ = 228084554112000.
The previous prime is 231330021331093. The next prime is 231330021331109. The reversal of 231330021331103 is 301133120033132.
It is a de Polignac number, because none of the positive numbers 2k-231330021331103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231330021331109) 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, 2164762088 + ... + 2164868946.
It is an arithmetic number, because the mean of its divisors is an integer number (14662164372570).
Almost surely, 2231330021331103 is an apocalyptic number.
231330021331103 is a deficient number, since it is larger than the sum of its proper divisors (3264608630017).
231330021331103 is a wasteful number, since it uses less digits than its factorization.
231330021331103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196138.
The product of its (nonzero) digits is 2916, while the sum is 26.
Adding to 231330021331103 its reverse (301133120033132), we get a palindrome (532463141364235).
The spelling of 231330021331103 in words is "two hundred thirty-one trillion, three hundred thirty billion, twenty-one million, three hundred thirty-one thousand, one hundred three".
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