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13223041142 = 26611520571
BaseRepresentation
bin11000101000010011…
…11001100001110110
31021010112111002101112
430110021321201312
5204040044304032
610024035355022
7645451665233
oct142411714166
937115432345
1013223041142
115676075583
122690452a72
1313296656cc
148d622878a
15525d0d1b2
hex314279876

13223041142 has 4 divisors (see below), whose sum is σ = 19834561716. Its totient is φ = 6611520570.

The previous prime is 13223041079. The next prime is 13223041151. The reversal of 13223041142 is 24114032231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24114032231 = 123719493963.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305760284 + ... + 3305760287.

It is an arithmetic number, because the mean of its divisors is an integer number (4958640429).

Almost surely, 213223041142 is an apocalyptic number.

13223041142 is a deficient number, since it is larger than the sum of its proper divisors (6611520574).

13223041142 is an equidigital number, since it uses as much as digits as its factorization.

13223041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611520573.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13223041142 its reverse (24114032231), we get a palindrome (37337073373).

The spelling of 13223041142 in words is "thirteen billion, two hundred twenty-three million, forty-one thousand, one hundred forty-two".

Divisors: 1 2 6611520571 13223041142