Search a number
-
+
813325312711 = 22728879124067
BaseRepresentation
bin10111101010111011111…
…01110110001011000111
32212202100001001202121001
423311131331312023013
5101311142240001321
61421345252034131
7112521650043142
oct13653575661307
92782301052531
10813325312711
11293a24a3242a
12111765002947
135b90886c7b2
142b517db3059
15162530a2c91
hexbd5df762c7

813325312711 has 8 divisors (see below), whose sum is σ = 816943115520. Its totient is φ = 809707816248.

The previous prime is 813325312693. The next prime is 813325312747. The reversal of 813325312711 is 117213523318.

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 813325312711 - 29 = 813325312199 is a prime.

It is a super-2 number, since 2×8133253127112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813325312211) 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, 6493500 + ... + 6617566.

It is an arithmetic number, because the mean of its divisors is an integer number (102117889440).

Almost surely, 2813325312711 is an apocalyptic number.

813325312711 is a deficient number, since it is larger than the sum of its proper divisors (3617802809).

813325312711 is a wasteful number, since it uses less digits than its factorization.

813325312711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153173.

The product of its digits is 30240, while the sum is 37.

The spelling of 813325312711 in words is "eight hundred thirteen billion, three hundred twenty-five million, three hundred twelve thousand, seven hundred eleven".

Divisors: 1 227 28879 124067 6555533 28163209 3582930893 813325312711