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13581180141 = 34527060047
BaseRepresentation
bin11001010011000000…
…00101110011101101
31022001111101102201220
430221200011303231
5210303240231031
610123351453553
7660361061244
oct145140056355
938044342656
1013581180141
11583a249721
1227703872b9
13138590b389
1492ba1395b
155474a3596
hex329805ced

13581180141 has 4 divisors (see below), whose sum is σ = 18108240192. Its totient is φ = 9054120092.

The previous prime is 13581180103. The next prime is 13581180169. The reversal of 13581180141 is 14108118531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13581180141 - 215 = 13581147373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13581180101) 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, 2263530021 + ... + 2263530026.

It is an arithmetic number, because the mean of its divisors is an integer number (4527060048).

Almost surely, 213581180141 is an apocalyptic number.

It is an amenable number.

13581180141 is a deficient number, since it is larger than the sum of its proper divisors (4527060051).

13581180141 is an equidigital number, since it uses as much as digits as its factorization.

13581180141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527060050.

The product of its (nonzero) digits is 3840, while the sum is 33.

Adding to 13581180141 its reverse (14108118531), we get a palindrome (27689298672).

The spelling of 13581180141 in words is "thirteen billion, five hundred eighty-one million, one hundred eighty thousand, one hundred forty-one".

Divisors: 1 3 4527060047 13581180141