Search a number
-
+
13144031534 = 27983190073
BaseRepresentation
bin11000011110111001…
…00000000100101110
31020221000210222120202
430033130200010232
5203404333002114
610012134113502
7643502265434
oct141734400456
936830728522
1013144031534
115635510487
122669aab892
13131619106a
148c993cd54
1551de02cde
hex30f72012e

13144031534 has 8 divisors (see below), whose sum is σ = 19965617760. Its totient is φ = 6488825616.

The previous prime is 13144031521. The next prime is 13144031561. The reversal of 13144031534 is 43513044131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13144031497 and 13144031506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41594879 + ... + 41595194.

It is an arithmetic number, because the mean of its divisors is an integer number (2495702220).

Almost surely, 213144031534 is an apocalyptic number.

13144031534 is a deficient number, since it is larger than the sum of its proper divisors (6821586226).

13144031534 is an equidigital number, since it uses as much as digits as its factorization.

13144031534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83190154.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 13144031534 its reverse (43513044131), we get a palindrome (56657075665).

The spelling of 13144031534 in words is "thirteen billion, one hundred forty-four million, thirty-one thousand, five hundred thirty-four".

Divisors: 1 2 79 158 83190073 166380146 6572015767 13144031534