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1412221213 = 13312113041
BaseRepresentation
bin101010000101100…
…1100100100011101
310122102100021022101
41110023030210131
510343012034323
6352044445101
746665453004
oct12413144435
93572307271
101412221213
11665186777
12334b49791
1319676a370
14d57b3c3b
1583eaadad
hex542cc91d

1412221213 has 12 divisors (see below), whose sum is σ = 1571509884. Its totient is φ = 1261526400.

The previous prime is 1412221201. The next prime is 1412221241. The reversal of 1412221213 is 3121222141.

It can be written as a sum of positive squares in 2 ways, for example, as 559464409 + 852756804 = 23653^2 + 29202^2 .

It is not a de Polignac number, because 1412221213 - 213 = 1412213021 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 (1412222213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44028 + ... + 69013.

It is an arithmetic number, because the mean of its divisors is an integer number (130959157).

Almost surely, 21412221213 is an apocalyptic number.

1412221213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1412221213 is a deficient number, since it is larger than the sum of its proper divisors (159288671).

1412221213 is a wasteful number, since it uses less digits than its factorization.

1412221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113116 (or 113085 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 1412221213 is about 37579.5318358279. The cubic root of 1412221213 is about 1121.9346910023.

Adding to 1412221213 its reverse (3121222141), we get a palindrome (4533443354).

The spelling of 1412221213 in words is "one billion, four hundred twelve million, two hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 13 31 403 961 12493 113041 1469533 3504271 45555523 108632401 1412221213