Search a number
-
+
2121232214 = 21099730423
BaseRepresentation
bin111111001101111…
…0110111101010110
312110211110202120002
41332123312331112
513321013412324
6550253211302
7103365114323
oct17633667526
95424422502
102121232214
11999420182
124b2490b32
1327a6130ba
14161a15b4a
15c635d3ae
hex7e6f6f56

2121232214 has 8 divisors (see below), whose sum is σ = 3211039920. Its totient is φ = 1050885576.

The previous prime is 2121232213. The next prime is 2121232241. The reversal of 2121232214 is 4122321212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21212322142 = 8999252211422683592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121232213) 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, 4864994 + ... + 4865429.

It is an arithmetic number, because the mean of its divisors is an integer number (401379990).

Almost surely, 22121232214 is an apocalyptic number.

2121232214 is a deficient number, since it is larger than the sum of its proper divisors (1089807706).

2121232214 is a wasteful number, since it uses less digits than its factorization.

2121232214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730534.

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

The square root of 2121232214 is about 46056.8367780507. The cubic root of 2121232214 is about 1284.8804996192.

Adding to 2121232214 its reverse (4122321212), we get a palindrome (6243553426).

The spelling of 2121232214 in words is "two billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred fourteen".

Divisors: 1 2 109 218 9730423 19460846 1060616107 2121232214