Base | Representation |
---|---|
bin | 100111010100000111… |
… | …011101011110110111 |
3 | 11000221221000111022200 |
4 | 213110013131132313 |
5 | 1142423114244343 |
6 | 31220444155543 |
7 | 3023042150025 |
oct | 472407353667 |
9 | 130857014280 |
10 | 42213431223 |
11 | 169a2421747 |
12 | 8221238bb3 |
13 | 3c99807492 |
14 | 2086543715 |
15 | 1170ea84d3 |
hex | 9d41dd7b7 |
42213431223 has 24 divisors (see below), whose sum is σ = 61615073520. Its totient is φ = 27848071680.
The previous prime is 42213431207. The next prime is 42213431257. The reversal of 42213431223 is 32213431224.
42213431223 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 3 + 431 + 223 = 666.
It is not a de Polignac number, because 42213431223 - 24 = 42213431207 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42213431023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365473 + ... + 466901.
It is an arithmetic number, because the mean of its divisors is an integer number (2567294730).
Almost surely, 242213431223 is an apocalyptic number.
42213431223 is a deficient number, since it is larger than the sum of its proper divisors (19401642297).
42213431223 is a wasteful number, since it uses less digits than its factorization.
42213431223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101919 (or 101916 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
Adding to 42213431223 its reverse (32213431224), we get a palindrome (74426862447).
Subtracting from 42213431223 its reverse (32213431224), we obtain a palindrome (9999999999).
The spelling of 42213431223 in words is "forty-two billion, two hundred thirteen million, four hundred thirty-one thousand, two hundred twenty-three".
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