Base | Representation |
---|---|
bin | 1011000111011111010110… |
… | …0101001101111000010111 |
3 | 1121021112110221102201000000 |
4 | 2301313311211031320113 |
5 | 3100231310321144343 |
6 | 41555150225422343 |
7 | 2401050551553111 |
oct | 261676545157027 |
9 | 47245427381000 |
10 | 12223302131223 |
11 | 3992967435097 |
12 | 1454b5b19a9b3 |
13 | 6a8863563a91 |
14 | 30387a7583b1 |
15 | 162e51e84ed3 |
hex | b1df594de17 |
12223302131223 has 84 divisors (see below), whose sum is σ = 19750231372440. Its totient is φ = 7540430069088.
The previous prime is 12223302131203. The next prime is 12223302131251. The reversal of 12223302131223 is 32213120332221.
12223302131223 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 3 + 302 + 131 + 223 = 666.
It is not a de Polignac number, because 12223302131223 - 228 = 12223033695767 is a prime.
It is a super-2 number, since 2×122233021312232 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12223302131203) by changing a digit.
It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 25371861 + ... + 25849137.
Almost surely, 212223302131223 is an apocalyptic number.
12223302131223 is a deficient number, since it is larger than the sum of its proper divisors (7526929241217).
12223302131223 is an frugal number, since it uses more digits than its factorization.
12223302131223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 477400 (or 477342 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 12223302131223 its reverse (32213120332221), we get a palindrome (44436422463444).
The spelling of 12223302131223 in words is "twelve trillion, two hundred twenty-three billion, three hundred two million, one hundred thirty-one thousand, two hundred twenty-three".
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