Search a number
-
+
20112341313 = 3131112945329
BaseRepresentation
bin10010101110110010…
…011111100101000001
31220220122220210120010
4102232302133211001
5312142224410223
613123421135133
71311255036411
oct225662374501
956818823503
1020112341313
11859098a789
123a936ba4a9
131b86a4c89c
14d8b1aa641
157caa5c393
hex4aec9f941

20112341313 has 16 divisors (see below), whose sum is σ = 27045691200. Its totient is φ = 13293795840.

The previous prime is 20112341309. The next prime is 20112341357. The reversal of 20112341313 is 31314321102.

It is not a de Polignac number, because 20112341313 - 22 = 20112341309 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112341313.

It is not an unprimeable number, because it can be changed into a prime (20112341303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421033 + ... + 466361.

It is an arithmetic number, because the mean of its divisors is an integer number (1690355700).

Almost surely, 220112341313 is an apocalyptic number.

It is an amenable number.

20112341313 is a deficient number, since it is larger than the sum of its proper divisors (6933349887).

20112341313 is a wasteful number, since it uses less digits than its factorization.

20112341313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46592.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20112341313 its reverse (31314321102), we get a palindrome (51426662415).

The spelling of 20112341313 in words is "twenty billion, one hundred twelve million, three hundred forty-one thousand, three hundred thirteen".

Divisors: 1 3 131 393 1129 3387 45329 135987 147899 443697 5938099 17814297 51176441 153529323 6704113771 20112341313