Search a number
-
+
1313202511 = 83145310889
BaseRepresentation
bin100111001000101…
…1110000101001111
310101112000121012001
41032101132011033
510142134440021
6334150253131
744354015515
oct11621360517
93345017161
101313202511
116142a5535
123079571a7
1317c0ab40a
14c659a4b5
157a44c091
hex4e45e14f

1313202511 has 8 divisors (see below), whose sum is σ = 1330061040. Its totient is φ = 1296368832.

The previous prime is 1313202509. The next prime is 1313202523. The reversal of 1313202511 is 1152023131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313202511 - 21 = 1313202509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313203511) 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, 115155 + ... + 126043.

It is an arithmetic number, because the mean of its divisors is an integer number (166257630).

Almost surely, 21313202511 is an apocalyptic number.

1313202511 is a deficient number, since it is larger than the sum of its proper divisors (16858529).

1313202511 is a wasteful number, since it uses less digits than its factorization.

1313202511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12425.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1313202511 is about 36238.1361413636. The cubic root of 1313202511 is about 1095.0750936456.

Adding to 1313202511 its reverse (1152023131), we get a palindrome (2465225642).

The spelling of 1313202511 in words is "one billion, three hundred thirteen million, two hundred two thousand, five hundred eleven".

Divisors: 1 83 1453 10889 120599 903787 15821717 1313202511