Search a number
-
+
1313310202 = 2656655101
BaseRepresentation
bin100111001000111…
…1000010111111010
310101112020001220121
41032101320113322
510142201411302
6334152443454
744354644501
oct11621702772
93345201817
101313310202
11614369436
123079a958a
1317c118439
14c65c7838
157a46de37
hex4e4785fa

1313310202 has 4 divisors (see below), whose sum is σ = 1969965306. Its totient is φ = 656655100.

The previous prime is 1313310199. The next prime is 1313310221. The reversal of 1313310202 is 2020133131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1298953681 + 14356521 = 36041^2 + 3789^2 .

It is a super-3 number, since 3×13133102023 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 328327549 + ... + 328327552.

Almost surely, 21313310202 is an apocalyptic number.

1313310202 is a deficient number, since it is larger than the sum of its proper divisors (656655104).

1313310202 is an equidigital number, since it uses as much as digits as its factorization.

1313310202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656655103.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313310202 is about 36239.6219903023. The cubic root of 1313310202 is about 1095.1050272132.

Adding to 1313310202 its reverse (2020133131), we get a palindrome (3333443333).

The spelling of 1313310202 in words is "one billion, three hundred thirteen million, three hundred ten thousand, two hundred two".

Divisors: 1 2 656655101 1313310202