Base | Representation |
---|---|
bin | 10010110101111000… |
… | …011100000100110110 |
3 | 1221012221211120112120 |
4 | 102311320130010312 |
5 | 312413210342332 |
6 | 13143311500410 |
7 | 1314231361353 |
oct | 226570340466 |
9 | 57187746476 |
10 | 20231340342 |
11 | 8642078494 |
12 | 3b07527706 |
13 | 1ba55b6005 |
14 | d9cd0562a |
15 | 7d621632c |
hex | 4b5e1c136 |
20231340342 has 32 divisors (see below), whose sum is σ = 41802169344. Its totient is φ = 6520888800.
The previous prime is 20231340319. The next prime is 20231340379. The reversal of 20231340342 is 24304313202.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186117 + ... + 274047.
It is an arithmetic number, because the mean of its divisors is an integer number (1306317792).
Almost surely, 220231340342 is an apocalyptic number.
20231340342 is an abundant number, since it is smaller than the sum of its proper divisors (21570829002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20231340342 is a wasteful number, since it uses less digits than its factorization.
20231340342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89204.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 20231340342 its reverse (24304313202), we get a palindrome (44535653544).
The spelling of 20231340342 in words is "twenty billion, two hundred thirty-one million, three hundred forty thousand, three hundred forty-two".
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