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13013215433 = 31419781143
BaseRepresentation
bin11000001111010010…
…11110100011001001
31020120220122211121222
430013221132203021
5203122340343213
65551142211425
7640323335411
oct140751364311
936526584558
1013013215433
1155786913a9
122632123b75
1312c504ac9a
148b6409641
155126b2808
hex307a5e8c9

13013215433 has 4 divisors (see below), whose sum is σ = 13432996608. Its totient is φ = 12593434260.

The previous prime is 13013215427. The next prime is 13013215447. The reversal of 13013215433 is 33451231031.

13013215433 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13013215433 - 232 = 8718248137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13013215493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209890541 + ... + 209890602.

It is an arithmetic number, because the mean of its divisors is an integer number (3358249152).

Almost surely, 213013215433 is an apocalyptic number.

It is an amenable number.

13013215433 is a deficient number, since it is larger than the sum of its proper divisors (419781175).

13013215433 is an equidigital number, since it uses as much as digits as its factorization.

13013215433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419781174.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13013215433 its reverse (33451231031), we get a palindrome (46464446464).

The spelling of 13013215433 in words is "thirteen billion, thirteen million, two hundred fifteen thousand, four hundred thirty-three".

Divisors: 1 31 419781143 13013215433