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133042020233 = 145191689883
BaseRepresentation
bin111101111100111101…
…1000001111110001001
3110201101221000212212212
41323321323001332021
54134432224121413
6141041344114505
712416622341003
oct1737173017611
9421357025785
10133042020233
115147182aa41
122194b605a35
13c7131ac2c5
1466214cd373
1536d9e57ca8
hex1ef9ec1f89

133042020233 has 4 divisors (see below), whose sum is σ = 133133711568. Its totient is φ = 132950328900.

The previous prime is 133042020227. The next prime is 133042020239. The reversal of 133042020233 is 332020240331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 332020240331 = 1325540018487.

It is an interprime number because it is at equal distance from previous prime (133042020227) and next prime (133042020239).

It is a cyclic number.

It is not a de Polignac number, because 133042020233 - 26 = 133042020169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133042020199 and 133042020208.

It is not an unprimeable number, because it can be changed into a prime (133042020239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45843491 + ... + 45846392.

It is an arithmetic number, because the mean of its divisors is an integer number (33283427892).

Almost surely, 2133042020233 is an apocalyptic number.

It is an amenable number.

133042020233 is a deficient number, since it is larger than the sum of its proper divisors (91691335).

133042020233 is an equidigital number, since it uses as much as digits as its factorization.

133042020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91691334.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 133042020233 its reverse (332020240331), we get a palindrome (465062260564).

The spelling of 133042020233 in words is "one hundred thirty-three billion, forty-two million, twenty thousand, two hundred thirty-three".

Divisors: 1 1451 91689883 133042020233