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199066133 = 728438019
BaseRepresentation
bin10111101110110…
…00001000010101
3111212120121101202
423313120020111
5401430104013
631430402245
74635014510
oct1367301025
9455517352
10199066133
11a2405372
1256800385
133231b216
141c61bd77
1512722858
hexbdd8215

199066133 has 4 divisors (see below), whose sum is σ = 227504160. Its totient is φ = 170628108.

The previous prime is 199066129. The next prime is 199066151. The reversal of 199066133 is 331660991.

199066133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 199066133 - 22 = 199066129 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 (199066163) 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, 14219003 + ... + 14219016.

It is an arithmetic number, because the mean of its divisors is an integer number (56876040).

Almost surely, 2199066133 is an apocalyptic number.

It is an amenable number.

199066133 is a deficient number, since it is larger than the sum of its proper divisors (28438027).

199066133 is an equidigital number, since it uses as much as digits as its factorization.

199066133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28438026.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 199066133 is about 14109.0798069895. The cubic root of 199066133 is about 583.8919126995.

The spelling of 199066133 in words is "one hundred ninety-nine million, sixty-six thousand, one hundred thirty-three".

Divisors: 1 7 28438019 199066133