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13143133 = 83158351
BaseRepresentation
bin110010001000…
…110001011101
3220201201222201
4302020301131
511331040013
61145411501
7216500113
oct62106135
926651881
1013143133
1174676a3
124499b91
132952403
141a61ab3
1512493dd
hexc88c5d

13143133 has 4 divisors (see below), whose sum is σ = 13301568. Its totient is φ = 12984700.

The previous prime is 13143089. The next prime is 13143149. The reversal of 13143133 is 33134131.

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.

It is a cyclic number.

It is not a de Polignac number, because 13143133 - 29 = 13142621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13143133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79093 + ... + 79258.

It is an arithmetic number, because the mean of its divisors is an integer number (3325392).

Almost surely, 213143133 is an apocalyptic number.

It is an amenable number.

13143133 is a deficient number, since it is larger than the sum of its proper divisors (158435).

13143133 is an equidigital number, since it uses as much as digits as its factorization.

13143133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158434.

The product of its digits is 324, while the sum is 19.

The square root of 13143133 is about 3625.3459145301. The cubic root of 13143133 is about 235.9932787993.

Adding to 13143133 its reverse (33134131), we get a palindrome (46277264).

It can be divided in two parts, 131 and 43133, that added together give a square (43264 = 2082).

The spelling of 13143133 in words is "thirteen million, one hundred forty-three thousand, one hundred thirty-three".

Divisors: 1 83 158351 13143133