Search a number
-
+
2421223213 = 10927181967
BaseRepresentation
bin1001000001010000…
…1110111100101101
320020201221212211211
42100110032330231
514424313120323
61040131114421
7114000025543
oct22024167455
96221855754
102421223213
111032798922
12576a42a11
132c7809a76
1418d7c5d93
15e286970d
hex9050ef2d

2421223213 has 8 divisors (see below), whose sum is σ = 2452482560. Its totient is φ = 2390128560.

The previous prime is 2421223177. The next prime is 2421223223. The reversal of 2421223213 is 3123221242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2421223213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421223223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11445 + ... + 70522.

It is an arithmetic number, because the mean of its divisors is an integer number (306560320).

Almost surely, 22421223213 is an apocalyptic number.

It is an amenable number.

2421223213 is a deficient number, since it is larger than the sum of its proper divisors (31259347).

2421223213 is a wasteful number, since it uses less digits than its factorization.

2421223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82347.

The product of its digits is 1152, while the sum is 22.

The square root of 2421223213 is about 49205.9266044244. The cubic root of 2421223213 is about 1342.8008567124.

Adding to 2421223213 its reverse (3123221242), we get a palindrome (5544444455).

The spelling of 2421223213 in words is "two billion, four hundred twenty-one million, two hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 109 271 29539 81967 8934403 22213057 2421223213