Search a number
-
+
13436530311 = 34478843437
BaseRepresentation
bin11001000001110000…
…10010111010000111
31021200102012110110210
430200320102322013
5210004222432221
610101143250503
7653653423521
oct144070227207
937612173423
1013436530311
115775631106
12272ba49a33
131361963769
1491671ca11
1553992e276
hex320e12e87

13436530311 has 4 divisors (see below), whose sum is σ = 17915373752. Its totient is φ = 8957686872.

The previous prime is 13436530273. The next prime is 13436530313. The reversal of 13436530311 is 11303563431.

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

It is not a de Polignac number, because 13436530311 - 213 = 13436522119 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 (13436530313) 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, 2239421716 + ... + 2239421721.

It is an arithmetic number, because the mean of its divisors is an integer number (4478843438).

Almost surely, 213436530311 is an apocalyptic number.

13436530311 is a deficient number, since it is larger than the sum of its proper divisors (4478843441).

13436530311 is an equidigital number, since it uses as much as digits as its factorization.

13436530311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478843440.

The product of its (nonzero) digits is 9720, while the sum is 30.

The spelling of 13436530311 in words is "thirteen billion, four hundred thirty-six million, five hundred thirty thousand, three hundred eleven".

Divisors: 1 3 4478843437 13436530311