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133132112013 = 344377370671
BaseRepresentation
bin111101111111101001…
…0101101000010001101
3110201122012120000120110
41323333102231002031
54140123310041023
6141054323110233
712422065165155
oct1737722550215
9421565500513
10133132112013
115150867425a
1221975812379
13c728a63c54
14662d461765
1536e2d01a93
hex1eff4ad08d

133132112013 has 4 divisors (see below), whose sum is σ = 177509482688. Its totient is φ = 88754741340.

The previous prime is 133132111897. The next prime is 133132112027. The reversal of 133132112013 is 310211231331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310211231331 = 3103403743777.

It is not a de Polignac number, because 133132112013 - 29 = 133132111501 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 (133132112713) 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, 22188685333 + ... + 22188685338.

It is an arithmetic number, because the mean of its divisors is an integer number (44377370672).

Almost surely, 2133132112013 is an apocalyptic number.

It is an amenable number.

133132112013 is a deficient number, since it is larger than the sum of its proper divisors (44377370675).

133132112013 is an equidigital number, since it uses as much as digits as its factorization.

133132112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44377370674.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133132112013 its reverse (310211231331), we get a palindrome (443343343344).

The spelling of 133132112013 in words is "one hundred thirty-three billion, one hundred thirty-two million, one hundred twelve thousand, thirteen".

Divisors: 1 3 44377370671 133132112013