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13541441413 = 42179321047
BaseRepresentation
bin11001001110010000…
…11111111110000101
31021221201121111110011
430213020133332011
5210213102111123
610115412030221
7656366232013
oct144710377605
937851544404
1013541441413
1158198773a5
12275b002371
13137a606736
1492662b8b3
15543c53e0d
hex32721ff85

13541441413 has 4 divisors (see below), whose sum is σ = 13541804640. Its totient is φ = 13541078188.

The previous prime is 13541441401. The next prime is 13541441447. The reversal of 13541441413 is 31414414531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31414414531 = 161891940479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13541441413 is a prime.

It is a super-2 number, since 2×135414414132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13541441213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118345 + ... + 202702.

It is an arithmetic number, because the mean of its divisors is an integer number (3385451160).

Almost surely, 213541441413 is an apocalyptic number.

It is an amenable number.

13541441413 is a deficient number, since it is larger than the sum of its proper divisors (363227).

13541441413 is an equidigital number, since it uses as much as digits as its factorization.

13541441413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363226.

The product of its digits is 11520, while the sum is 31.

Adding to 13541441413 its reverse (31414414531), we get a palindrome (44955855944).

The spelling of 13541441413 in words is "thirteen billion, five hundred forty-one million, four hundred forty-one thousand, four hundred thirteen".

Divisors: 1 42179 321047 13541441413