Search a number
-
+
13133221442 = 2112843209977
BaseRepresentation
bin11000011101100110…
…10000111001000010
31020220021110202220222
430032303100321002
5203344101041232
610011110303042
7643311353225
oct141663207102
936807422828
1013133221442
11562a3a7720
122666357a82
131313b77863
148c83275bc
1551ceb9d12
hex30ecd0e42

13133221442 has 16 divisors (see below), whose sum is σ = 21498387552. Its totient is φ = 5967517920.

The previous prime is 13133221441. The next prime is 13133221501. The reversal of 13133221442 is 24412233131.

13133221442 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13133221441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42443 + ... + 167534.

It is an arithmetic number, because the mean of its divisors is an integer number (1343649222).

Almost surely, 213133221442 is an apocalyptic number.

13133221442 is a deficient number, since it is larger than the sum of its proper divisors (8365166110).

13133221442 is a wasteful number, since it uses less digits than its factorization.

13133221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212833.

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

Adding to 13133221442 its reverse (24412233131), we get a palindrome (37545454573).

The spelling of 13133221442 in words is "thirteen billion, one hundred thirty-three million, two hundred twenty-one thousand, four hundred forty-two".

Divisors: 1 2 11 22 2843 5686 31273 62546 209977 419954 2309747 4619494 596964611 1193929222 6566610721 13133221442