Search a number
-
+
13013311343 = 50925566427
BaseRepresentation
bin11000001111010011…
…10101111101101111
31020120220211201012012
430013221311331233
5203122401430333
65551144231435
7640324215134
oct140751657557
936526751165
1013013311343
11557874746a
12263216b57b
1312c5082836
148b643258b
155126d0e48
hex307a75f6f

13013311343 has 4 divisors (see below), whose sum is σ = 13038878280. Its totient is φ = 12987744408.

The previous prime is 13013311331. The next prime is 13013311349. The reversal of 13013311343 is 34311331031.

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

It is a cyclic number.

It is not a de Polignac number, because 13013311343 - 24 = 13013311327 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 (13013311349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12782705 + ... + 12783722.

It is an arithmetic number, because the mean of its divisors is an integer number (3259719570).

Almost surely, 213013311343 is an apocalyptic number.

13013311343 is a deficient number, since it is larger than the sum of its proper divisors (25566937).

13013311343 is an equidigital number, since it uses as much as digits as its factorization.

13013311343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25566936.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13013311343 its reverse (34311331031), we get a palindrome (47324642374).

The spelling of 13013311343 in words is "thirteen billion, thirteen million, three hundred eleven thousand, three hundred forty-three".

Divisors: 1 509 25566427 13013311343