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13133424413 = 19766667129
BaseRepresentation
bin11000011101101000…
…00010011100011101
31020220021212002100102
430032310002130131
5203344124040123
610011114510445
7643313160044
oct141664023435
936807762312
1013133424413
11562a52616a
122666435425
131313c19065
148c837b55b
1551d00a028
hex30ed0271d

13133424413 has 4 divisors (see below), whose sum is σ = 13200091740. Its totient is φ = 13066757088.

The previous prime is 13133424371. The next prime is 13133424431. The reversal of 13133424413 is 31442433131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31442433131 = 310910113359.

It can be written as a sum of positive squares in 2 ways, for example, as 8147228644 + 4986195769 = 90262^2 + 70613^2 .

It is a cyclic number.

It is not a de Polignac number, because 13133424413 - 224 = 13116647197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133424713) 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, 33333368 + ... + 33333761.

It is an arithmetic number, because the mean of its divisors is an integer number (3300022935).

Almost surely, 213133424413 is an apocalyptic number.

It is an amenable number.

13133424413 is a deficient number, since it is larger than the sum of its proper divisors (66667327).

13133424413 is an equidigital number, since it uses as much as digits as its factorization.

13133424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66667326.

The product of its digits is 10368, while the sum is 29.

Adding to 13133424413 its reverse (31442433131), we get a palindrome (44575857544).

The spelling of 13133424413 in words is "thirteen billion, one hundred thirty-three million, four hundred twenty-four thousand, four hundred thirteen".

Divisors: 1 197 66667129 13133424413