Base | Representation |
---|---|
bin | 1101011101000010001… |
… | …1110111100011100101 |
3 | 211002121000020220220120 |
4 | 3113100203313203211 |
5 | 12241324334031323 |
6 | 254103011552153 |
7 | 22461450251061 |
oct | 3272043674345 |
9 | 732530226816 |
10 | 231132330213 |
11 | 8a0281a1724 |
12 | 389658bb659 |
13 | 18a46174745 |
14 | b288a82aa1 |
15 | 602b6bd5e3 |
hex | 35d08f78e5 |
231132330213 has 8 divisors (see below), whose sum is σ = 311227692576. Its totient is φ = 152562594000.
The previous prime is 231132330211. The next prime is 231132330271. The reversal of 231132330213 is 312033231132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231132330213 - 21 = 231132330211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231132330211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381406183 + ... + 381406788.
It is an arithmetic number, because the mean of its divisors is an integer number (38903461572).
Almost surely, 2231132330213 is an apocalyptic number.
It is an amenable number.
231132330213 is a deficient number, since it is larger than the sum of its proper divisors (80095362363).
231132330213 is a wasteful number, since it uses less digits than its factorization.
231132330213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 762813075.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 231132330213 its reverse (312033231132), we get a palindrome (543165561345).
The spelling of 231132330213 in words is "two hundred thirty-one billion, one hundred thirty-two million, three hundred thirty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •