Base | Representation |
---|---|
bin | 11110001100110111… |
… | …00101100111100111 |
3 | 1112211222112200122201 |
4 | 33012123211213213 |
5 | 231201242211011 |
6 | 11240522435331 |
7 | 1112540630002 |
oct | 170633454747 |
9 | 45758480581 |
10 | 16214022631 |
11 | 6970436204 |
12 | 3186062b47 |
13 | 16b5210041 |
14 | adb564539 |
15 | 64d6becc1 |
hex | 3c66e59e7 |
16214022631 has 4 divisors (see below), whose sum is σ = 16266158064. Its totient is φ = 16161887200.
The previous prime is 16214022619. The next prime is 16214022653. The reversal of 16214022631 is 13622041261.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13622041261 = 43177 ⋅315493.
It is a cyclic number.
It is not a de Polignac number, because 16214022631 - 223 = 16205634023 is a prime.
It is a super-2 number, since 2×162140226312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 16214022631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16214022611) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26067250 + ... + 26067871.
It is an arithmetic number, because the mean of its divisors is an integer number (4066539516).
Almost surely, 216214022631 is an apocalyptic number.
16214022631 is a deficient number, since it is larger than the sum of its proper divisors (52135433).
16214022631 is an equidigital number, since it uses as much as digits as its factorization.
16214022631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52135432.
The product of its (nonzero) digits is 3456, while the sum is 28.
Adding to 16214022631 its reverse (13622041261), we get a palindrome (29836063892).
The spelling of 16214022631 in words is "sixteen billion, two hundred fourteen million, twenty-two thousand, six hundred thirty-one".
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