Base | Representation |
---|---|
bin | 11101010010000111101… |
… | …100010010110110010111 |
3 | 21010101011010102012100111 |
4 | 131102013230102312113 |
5 | 230432213213331411 |
6 | 4140240403423451 |
7 | 265246124143054 |
oct | 35220754226627 |
9 | 7111133365314 |
10 | 2012321230231 |
11 | 706469967494 |
12 | 286002384b87 |
13 | 1179b811b050 |
14 | 6d57b00a02b |
15 | 37529a52721 |
hex | 1d487b12d97 |
2012321230231 has 8 divisors (see below), whose sum is σ = 2167132363760. Its totient is φ = 1857512552832.
The previous prime is 2012321230219. The next prime is 2012321230253. The reversal of 2012321230231 is 1320321232102.
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 2012321230231 - 221 = 2012319133079 is a prime.
It is a super-2 number, since 2×20123212302312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012321230211) 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, 1311196 + ... + 2396638.
It is an arithmetic number, because the mean of its divisors is an integer number (270891545470).
Almost surely, 22012321230231 is an apocalyptic number.
2012321230231 is a deficient number, since it is larger than the sum of its proper divisors (154811133529).
2012321230231 is a wasteful number, since it uses less digits than its factorization.
2012321230231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1228065.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2012321230231 its reverse (1320321232102), we get a palindrome (3332642462333).
The spelling of 2012321230231 in words is "two trillion, twelve billion, three hundred twenty-one million, two hundred thirty thousand, two hundred thirty-one".
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