Search a number
-
+
1313133222 = 23990722091
BaseRepresentation
bin100111001000100…
…1101001010100110
310101111220002010210
41032101031022212
510142130230342
6334145000250
744353306512
oct11621151246
93344802123
101313133222
11614258475
12307923086
1317c085a0b
14c657d142
157a43679c
hex4e44d2a6

1313133222 has 16 divisors (see below), whose sum is σ = 2626650432. Its totient is φ = 437647080.

The previous prime is 1313133209. The next prime is 1313133229. The reversal of 1313133222 is 2223313131.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313133229) 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, 48397 + ... + 70487.

It is an arithmetic number, because the mean of its divisors is an integer number (164165652).

Almost surely, 21313133222 is an apocalyptic number.

1313133222 is an abundant number, since it is smaller than the sum of its proper divisors (1313517210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313133222 is a wasteful number, since it uses less digits than its factorization.

1313133222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32003.

The product of its digits is 648, while the sum is 21.

The square root of 1313133222 is about 36237.1801055215. The cubic root of 1313133222 is about 1095.0558333533.

Adding to 1313133222 its reverse (2223313131), we get a palindrome (3536446353).

The spelling of 1313133222 in words is "one billion, three hundred thirteen million, one hundred thirty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9907 19814 22091 29721 44182 59442 66273 132546 218855537 437711074 656566611 1313133222