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13002151 = 28146271
BaseRepresentation
bin110001100110…
…010110100111
3220110120121011
4301212112213
511312032101
61142403051
7215342101
oct61462647
926416534
1013002151
117380788
124430487
1329031a6
141a26571
15121c751
hexc665a7

13002151 has 4 divisors (see below), whose sum is σ = 13048704. Its totient is φ = 12955600.

The previous prime is 13002149. The next prime is 13002163. The reversal of 13002151 is 15120031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13002151 - 21 = 13002149 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 (13002131) 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, 22855 + ... + 23416.

It is an arithmetic number, because the mean of its divisors is an integer number (3262176).

Almost surely, 213002151 is an apocalyptic number.

13002151 is a deficient number, since it is larger than the sum of its proper divisors (46553).

13002151 is an equidigital number, since it uses as much as digits as its factorization.

13002151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46552.

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

The square root of 13002151 is about 3605.8495531566. The cubic root of 13002151 is about 235.1464365720.

Adding to 13002151 its reverse (15120031), we get a palindrome (28122182).

The spelling of 13002151 in words is "thirteen million, two thousand, one hundred fifty-one".

Divisors: 1 281 46271 13002151