Base | Representation |
---|---|
bin | 1100000001100100110011… |
… | …1011111101000101110111 |
3 | 1201210221020011120000020011 |
4 | 3000121030323331011313 |
5 | 3213104004212402411 |
6 | 44041422510521051 |
7 | 2533125443540053 |
oct | 300311473750567 |
9 | 51727204500204 |
10 | 13221200122231 |
11 | 423809687a572 |
12 | 1596435206187 |
13 | 74b9a51ba1ca |
14 | 339ca3950c63 |
15 | 17dda8dd8c21 |
hex | c064cefd177 |
13221200122231 has 8 divisors (see below), whose sum is σ = 13288212992000. Its totient is φ = 13154192999640.
The previous prime is 13221200122223. The next prime is 13221200122237. The reversal of 13221200122231 is 13222100212231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13221200122231 - 23 = 13221200122223 is a prime.
It is a super-2 number, since 2×132212001222312 (a number of 27 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 (13221200122237) 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, 3213850 + ... + 6063928.
It is an arithmetic number, because the mean of its divisors is an integer number (1661026624000).
Almost surely, 213221200122231 is an apocalyptic number.
13221200122231 is a deficient number, since it is larger than the sum of its proper divisors (67012869769).
13221200122231 is a wasteful number, since it uses less digits than its factorization.
13221200122231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2873589.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 13221200122231 its reverse (13222100212231), we get a palindrome (26443300334462).
The spelling of 13221200122231 in words is "thirteen trillion, two hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, two hundred thirty-one".
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