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1313112036 = 223131835313
BaseRepresentation
bin100111001000100…
…0111111111100100
310101111212000002010
41032101013333210
510142124041121
6334144314220
744353160655
oct11621077744
93344760063
101313112036
11614243565
12307912970
1317c079192
14c657552c
157a430376
hex4e447fe4

1313112036 has 24 divisors (see below), whose sum is σ = 3087320544. Its totient is φ = 434362240.

The previous prime is 1313112019. The next prime is 1313112037. The reversal of 1313112036 is 6302113131.

It is not an unprimeable number, because it can be changed into a prime (1313112037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416085 + ... + 419228.

It is an arithmetic number, because the mean of its divisors is an integer number (128638356).

Almost surely, 21313112036 is an apocalyptic number.

It is an amenable number.

1313112036 is an abundant number, since it is smaller than the sum of its proper divisors (1774208508).

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

1313112036 is a wasteful number, since it uses less digits than its factorization.

1313112036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835451 (or 835449 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1313112036 is about 36236.8877802716. The cubic root of 1313112036 is about 1095.0499441368.

Adding to 1313112036 its reverse (6302113131), we get a palindrome (7615225167).

The spelling of 1313112036 in words is "one billion, three hundred thirteen million, one hundred twelve thousand, thirty-six".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 835313 1670626 2505939 3341252 5011878 10023756 109426003 218852006 328278009 437704012 656556018 1313112036