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133423103 = 1156921317
BaseRepresentation
bin1111111001111…
…01111111111111
3100022001121002102
413330331333333
5233124014403
621123415315
73210035432
oct774757777
9308047072
10133423103
116934a830
123882453b
13218468a8
1413a11819
15baa7b88
hex7f3dfff

133423103 has 8 divisors (see below), whose sum is σ = 145815120. Its totient is φ = 121074880.

The previous prime is 133423099. The next prime is 133423133. The reversal of 133423103 is 301324331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133423103 - 22 = 133423099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133423133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4400 + ... + 16917.

It is an arithmetic number, because the mean of its divisors is an integer number (18226890).

Almost surely, 2133423103 is an apocalyptic number.

133423103 is a deficient number, since it is larger than the sum of its proper divisors (12392017).

133423103 is a wasteful number, since it uses less digits than its factorization.

133423103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21897.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133423103 is about 11550.8918703276. The cubic root of 133423103 is about 510.9875814451.

Adding to 133423103 its reverse (301324331), we get a palindrome (434747434).

The spelling of 133423103 in words is "one hundred thirty-three million, four hundred twenty-three thousand, one hundred three".

Divisors: 1 11 569 6259 21317 234487 12129373 133423103