[go: up one dir, main page]

Search a number
-
+
1313313023 = 11532252681
BaseRepresentation
bin100111001000111…
…1001000011111111
310101112020012210002
41032101321003333
510142202004043
6334152504515
744354655641
oct11621710377
93345205702
101313313023
11614370570
123079ab13b
1317c1197c9
14c65c8891
157a46ebb8
hex4e4790ff

1313313023 has 8 divisors (see below), whose sum is σ = 1459737936. Its totient is φ = 1171393600.

The previous prime is 1313313011. The next prime is 1313313031. The reversal of 1313313023 is 3203133131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1313313023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313312986 and 1313313004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313315023) 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, 1125758 + ... + 1126923.

It is an arithmetic number, because the mean of its divisors is an integer number (182467242).

Almost surely, 21313313023 is an apocalyptic number.

1313313023 is a deficient number, since it is larger than the sum of its proper divisors (146424913).

1313313023 is a wasteful number, since it uses less digits than its factorization.

1313313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252745.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1313313023 is about 36239.6609117690. The cubic root of 1313313023 is about 1095.1058113105.

Adding to 1313313023 its reverse (3203133131), we get a palindrome (4516446154).

The spelling of 1313313023 in words is "one billion, three hundred thirteen million, three hundred thirteen thousand, twenty-three".

Divisors: 1 11 53 583 2252681 24779491 119392093 1313313023