Base | Representation |
---|---|
bin | 100001101001001111111… |
… | …010110011011010000111 |
3 | 22012000202120101210122120 |
4 | 201221033322303122013 |
5 | 300340021001021411 |
6 | 4530044451501023 |
7 | 326016224054220 |
oct | 41511772633207 |
9 | 8160676353576 |
10 | 2312033220231 |
11 | 811589529599 |
12 | 3141072b7773 |
13 | 13a040389427 |
14 | 7dc8dbba247 |
15 | 4021bcc0106 |
hex | 21a4feb3687 |
2312033220231 has 32 divisors (see below), whose sum is σ = 3568122862080. Its totient is φ = 1304344221696.
The previous prime is 2312033220229. The next prime is 2312033220251. The reversal of 2312033220231 is 1320223302132.
It is not a de Polignac number, because 2312033220231 - 21 = 2312033220229 is a prime.
It is a super-2 number, since 2×23120332202312 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2312033220251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554421 + ... + 2220686.
It is an arithmetic number, because the mean of its divisors is an integer number (111503839440).
Almost surely, 22312033220231 is an apocalyptic number.
2312033220231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2312033220231 is a deficient number, since it is larger than the sum of its proper divisors (1256089641849).
2312033220231 is a wasteful number, since it uses less digits than its factorization.
2312033220231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2775623.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 2312033220231 its reverse (1320223302132), we get a palindrome (3632256522363).
The spelling of 2312033220231 in words is "two trillion, three hundred twelve billion, thirty-three million, two hundred twenty thousand, two hundred thirty-one".
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