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13013223011 = 68331904467
BaseRepresentation
bin11000001111010011…
…00000011001100011
31020120220200020000122
430013221200121203
5203122341114021
65551142310455
7640323366455
oct140751403143
936526606018
1013013223011
115578697068
12263212842b
1312c5051579
148b640c2d5
155126b4bab
hex307a60663

13013223011 has 4 divisors (see below), whose sum is σ = 13015134312. Its totient is φ = 13011311712.

The previous prime is 13013222993. The next prime is 13013223029. The reversal of 13013223011 is 11032231031.

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

It is an interprime number because it is at equal distance from previous prime (13013222993) and next prime (13013223029).

It is a cyclic number.

It is not a de Polignac number, because 13013223011 - 26 = 13013222947 is a prime.

It is a super-2 number, since 2×130132230112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13013223511) 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, 945401 + ... + 959066.

It is an arithmetic number, because the mean of its divisors is an integer number (3253783578).

Almost surely, 213013223011 is an apocalyptic number.

13013223011 is a deficient number, since it is larger than the sum of its proper divisors (1911301).

13013223011 is an equidigital number, since it uses as much as digits as its factorization.

13013223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911300.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13013223011 its reverse (11032231031), we get a palindrome (24045454042).

The spelling of 13013223011 in words is "thirteen billion, thirteen million, two hundred twenty-three thousand, eleven".

Divisors: 1 6833 1904467 13013223011