Search a number
-
+
2124122213 = 431013831277
BaseRepresentation
bin111111010011011…
…1000100001100101
312111000220120220002
41332212320201211
513322233402323
6550435151045
7103431512063
oct17646704145
95430816802
102124122213
119a0014504
124b3445485
1327b0b5665
14162169033
15c672e828
hex7e9b8865

2124122213 has 16 divisors (see below), whose sum is σ = 2202494976. Its totient is φ = 2047214400.

The previous prime is 2124122207. The next prime is 2124122251. The reversal of 2124122213 is 3122214212.

It is a cyclic number.

It is not a de Polignac number, because 2124122213 - 28 = 2124121957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124122513) by changing a digit.

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, 1662731 + ... + 1664007.

It is an arithmetic number, because the mean of its divisors is an integer number (137655936).

Almost surely, 22124122213 is an apocalyptic number.

It is an amenable number.

2124122213 is a deficient number, since it is larger than the sum of its proper divisors (78372763).

2124122213 is a wasteful number, since it uses less digits than its factorization.

2124122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its digits is 384, while the sum is 20.

The square root of 2124122213 is about 46088.2003662543. The cubic root of 2124122213 is about 1285.4637483957.

Adding to 2124122213 its reverse (3122214212), we get a palindrome (5246336425).

The spelling of 2124122213 in words is "two billion, one hundred twenty-four million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 43 101 383 1277 4343 16469 38683 54911 128977 489091 1663369 5546011 21030913 49398191 2124122213