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1412442143 = 7201777449
BaseRepresentation
bin101010000110000…
…0010100000011111
310122102202111100222
41110030002200133
510343041122033
6352053311555
750000363060
oct12414024037
93572674328
101412442143
11665317762
123350355bb
13196816aa8
14d5830567
1584001598
hex5430281f

1412442143 has 4 divisors (see below), whose sum is σ = 1614219600. Its totient is φ = 1210664688.

The previous prime is 1412442091. The next prime is 1412442173. The reversal of 1412442143 is 3412442141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412442141 = 16272097383.

It is a cyclic number.

It is not a de Polignac number, because 1412442143 - 216 = 1412376607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412442173) 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, 100888718 + ... + 100888731.

It is an arithmetic number, because the mean of its divisors is an integer number (403554900).

Almost surely, 21412442143 is an apocalyptic number.

1412442143 is a deficient number, since it is larger than the sum of its proper divisors (201777457).

1412442143 is an equidigital number, since it uses as much as digits as its factorization.

1412442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201777456.

The product of its digits is 3072, while the sum is 26.

The square root of 1412442143 is about 37582.4712199717. The cubic root of 1412442143 is about 1121.9931936657.

Adding to 1412442143 its reverse (3412442141), we get a palindrome (4824884284).

The spelling of 1412442143 in words is "one billion, four hundred twelve million, four hundred forty-two thousand, one hundred forty-three".

Divisors: 1 7 201777449 1412442143