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13333333141 = 91114635931
BaseRepresentation
bin11000110101011101…
…01000010010010101
31021102020000111120101
430122232220102111
5204301313130031
610043015334101
7651261314242
oct143256502225
937366014511
1013333333141
115722356597
122701381331
13134647094b
14906b385c9
15530847361
hex31aba8495

13333333141 has 4 divisors (see below), whose sum is σ = 13347969984. Its totient is φ = 13318696300.

The previous prime is 13333333129. The next prime is 13333333147. The reversal of 13333333141 is 14133333331.

It is a happy number.

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 13333333141 - 233 = 4743398549 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 (13333333147) 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, 7317055 + ... + 7318876.

It is an arithmetic number, because the mean of its divisors is an integer number (3336992496).

Almost surely, 213333333141 is an apocalyptic number.

It is an amenable number.

13333333141 is a deficient number, since it is larger than the sum of its proper divisors (14636843).

13333333141 is an equidigital number, since it uses as much as digits as its factorization.

13333333141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14636842.

The product of its digits is 8748, while the sum is 28.

Adding to 13333333141 its reverse (14133333331), we get a palindrome (27466666472).

The spelling of 13333333141 in words is "thirteen billion, three hundred thirty-three million, three hundred thirty-three thousand, one hundred forty-one".

Divisors: 1 911 14635931 13333333141