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1423212213 = 34116576983
BaseRepresentation
bin101010011010100…
…0111111010110101
310200012000200010110
41110311013322311
510403320242323
6353120213233
750161050513
oct12465077265
93605020113
101423212213
11670403445
1233876a219
13198b18007
14d70354b3
1584e2c793
hex54d47eb5

1423212213 has 16 divisors (see below), whose sum is σ = 1945351296. Its totient is φ = 924975360.

The previous prime is 1423212199. The next prime is 1423212247. The reversal of 1423212213 is 3122123241.

It is not a de Polignac number, because 1423212213 - 210 = 1423211189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1423212213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423212013) 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, 200320 + ... + 207302.

It is an arithmetic number, because the mean of its divisors is an integer number (121584456).

Almost surely, 21423212213 is an apocalyptic number.

It is an amenable number.

1423212213 is a deficient number, since it is larger than the sum of its proper divisors (522139083).

1423212213 is a wasteful number, since it uses less digits than its factorization.

1423212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684.

The product of its digits is 576, while the sum is 21.

The square root of 1423212213 is about 37725.4849273008. The cubic root of 1423212213 is about 1124.8377610981.

Adding to 1423212213 its reverse (3122123241), we get a palindrome (4545335454).

The spelling of 1423212213 in words is "one billion, four hundred twenty-three million, two hundred twelve thousand, two hundred thirteen".

Divisors: 1 3 41 123 1657 4971 6983 20949 67937 203811 286303 858909 11570831 34712493 474404071 1423212213