Search a number
-
+
133442243413 = 354023376931
BaseRepresentation
bin111110001000111000…
…1110000101101010101
3110202102211010022212121
41330101301300231111
54141242203242123
6141145202215541
712432552232303
oct1742161605525
9422384108777
10133442243413
11516577385a6
1221a416545b1
13c77809b35b
14665c711273
15371016275d
hex1f11c70b55

133442243413 has 4 divisors (see below), whose sum is σ = 133442974368. Its totient is φ = 133441512460.

The previous prime is 133442243369. The next prime is 133442243423. The reversal of 133442243413 is 314342244331.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133442243413 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 (133442243423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165558 + ... + 542488.

It is an arithmetic number, because the mean of its divisors is an integer number (33360743592).

Almost surely, 2133442243413 is an apocalyptic number.

It is an amenable number.

133442243413 is a deficient number, since it is larger than the sum of its proper divisors (730955).

133442243413 is an equidigital number, since it uses as much as digits as its factorization.

133442243413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730954.

The product of its digits is 82944, while the sum is 34.

Adding to 133442243413 its reverse (314342244331), we get a palindrome (447784487744).

The spelling of 133442243413 in words is "one hundred thirty-three billion, four hundred forty-two million, two hundred forty-three thousand, four hundred thirteen".

Divisors: 1 354023 376931 133442243413