Search a number
-
+
13011313033331 = 53245496472327
BaseRepresentation
bin1011110101010110111010…
…1100010000000001110011
31201001212110202222011111222
42331111232230100001303
53201134132114031311
643401151550055255
72512015315656014
oct275255654200163
951055422864458
1013011313033331
114167081004118
12156181a4aa52b
13734c666c4c92
1432da726dd00b
151786c295badb
hexbd56eb10073

13011313033331 has 4 divisors (see below), whose sum is σ = 13256809505712. Its totient is φ = 12765816560952.

The previous prime is 13011313033307. The next prime is 13011313033421. The reversal of 13011313033331 is 13333031311031.

It is a happy number.

13011313033331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13011313033331 - 230 = 13010239291507 is a prime.

It is a super-2 number, since 2×130113130333312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13011313033331.

It is not an unprimeable number, because it can be changed into a prime (13011313033031) 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, 122748236111 + ... + 122748236216.

It is an arithmetic number, because the mean of its divisors is an integer number (3314202376428).

Almost surely, 213011313033331 is an apocalyptic number.

13011313033331 is a deficient number, since it is larger than the sum of its proper divisors (245496472381).

13011313033331 is an equidigital number, since it uses as much as digits as its factorization.

13011313033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245496472380.

The product of its (nonzero) digits is 2187, while the sum is 26.

Adding to 13011313033331 its reverse (13333031311031), we get a palindrome (26344344344362).

The spelling of 13011313033331 in words is "thirteen trillion, eleven billion, three hundred thirteen million, thirty-three thousand, three hundred thirty-one".

Divisors: 1 53 245496472327 13011313033331