Base | Representation |
---|---|
bin | 11111001100000010000… |
… | …000110011000011000111 |
3 | 21120220000212010212011121 |
4 | 133030002000303003013 |
5 | 240103304421203411 |
6 | 4320325515014411 |
7 | 310562023123351 |
oct | 37140200630307 |
9 | 7526025125147 |
10 | 2143222444231 |
11 | 756a32217a80 |
12 | 2a7454a3a407 |
13 | 1271499229ab |
14 | 75a3806a0d1 |
15 | 3ab3ba82571 |
hex | 1f3020330c7 |
2143222444231 has 8 divisors (see below), whose sum is σ = 2338085696400. Its totient is φ = 1948363333440.
The previous prime is 2143222444219. The next prime is 2143222444241. The reversal of 2143222444231 is 1324442223412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2143222444231 - 223 = 2143214055623 is a prime.
It is a super-2 number, since 2×21432224442312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143222444241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100965 + ... + 2072833.
It is an arithmetic number, because the mean of its divisors is an integer number (292260712050).
Almost surely, 22143222444231 is an apocalyptic number.
2143222444231 is a deficient number, since it is larger than the sum of its proper divisors (194863252169).
2143222444231 is a wasteful number, since it uses less digits than its factorization.
2143222444231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2070689.
The product of its digits is 73728, while the sum is 34.
Adding to 2143222444231 its reverse (1324442223412), we get a palindrome (3467664667643).
The spelling of 2143222444231 in words is "two trillion, one hundred forty-three billion, two hundred twenty-two million, four hundred forty-four thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •