Search a number
-
+
13142132243 = 57722776659
BaseRepresentation
bin11000011110101010…
…10000011000010011
31020220220020111020122
430033111100120103
5203403341212433
610012025300455
7643450165232
oct141725203023
936826214218
1013142132243
115634433519
12266933472b
131315977716
148c95a6b19
1551db7a198
hex30f550613

13142132243 has 4 divisors (see below), whose sum is σ = 13164909480. Its totient is φ = 13119355008.

The previous prime is 13142132191. The next prime is 13142132261. The reversal of 13142132243 is 34223124131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34223124131 = 74889017733.

It is a cyclic number.

It is not a de Polignac number, because 13142132243 - 220 = 13141083667 is a prime.

It is a super-2 number, since 2×131421322432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13142132273) 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, 11387753 + ... + 11388906.

It is an arithmetic number, because the mean of its divisors is an integer number (3291227370).

Almost surely, 213142132243 is an apocalyptic number.

13142132243 is a deficient number, since it is larger than the sum of its proper divisors (22777237).

13142132243 is an equidigital number, since it uses as much as digits as its factorization.

13142132243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22777236.

The product of its digits is 3456, while the sum is 26.

Adding to 13142132243 its reverse (34223124131), we get a palindrome (47365256374).

The spelling of 13142132243 in words is "thirteen billion, one hundred forty-two million, one hundred thirty-two thousand, two hundred forty-three".

Divisors: 1 577 22776659 13142132243