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13200151 = 44929399
BaseRepresentation
bin110010010110…
…101100010111
3220211122012111
4302112230113
511334401101
61150531451
7220125256
oct62265427
926748174
1013200151
1174a6518
124506b87
132972353
141a7879d
15125b251
hexc96b17

13200151 has 4 divisors (see below), whose sum is σ = 13230000. Its totient is φ = 13170304.

The previous prime is 13200119. The next prime is 13200169. The reversal of 13200151 is 15100231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15100231 = 19794749.

It is a cyclic number.

It is not a de Polignac number, because 13200151 - 25 = 13200119 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 (13200101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14251 + ... + 15148.

It is an arithmetic number, because the mean of its divisors is an integer number (3307500).

Almost surely, 213200151 is an apocalyptic number.

13200151 is a deficient number, since it is larger than the sum of its proper divisors (29849).

13200151 is an equidigital number, since it uses as much as digits as its factorization.

13200151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29848.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 13200151 is about 3633.2012055486. The cubic root of 13200151 is about 236.3340512594.

Adding to 13200151 its reverse (15100231), we get a palindrome (28300382).

The spelling of 13200151 in words is "thirteen million, two hundred thousand, one hundred fifty-one".

Divisors: 1 449 29399 13200151