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200312133 = 379538673
BaseRepresentation
bin10111111000010…
…00010101000101
3111221220220120220
423330020111011
5402234442013
631513214553
74651424250
oct1374102505
9457826526
10200312133
11a308651a
1257101459
13326663b8
141c864097
15128bbb23
hexbf08545

200312133 has 8 divisors (see below), whose sum is σ = 305237568. Its totient is φ = 114464064.

The previous prime is 200312131. The next prime is 200312137. The reversal of 200312133 is 331213002.

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

It is not a de Polignac number, because 200312133 - 21 = 200312131 is a prime.

It is a super-3 number, since 3×2003121333 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200312131) 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 7 ways as a sum of consecutive naturals, for example, 4769316 + ... + 4769357.

It is an arithmetic number, because the mean of its divisors is an integer number (38154696).

Almost surely, 2200312133 is an apocalyptic number.

It is an amenable number.

200312133 is a deficient number, since it is larger than the sum of its proper divisors (104925435).

200312133 is an equidigital number, since it uses as much as digits as its factorization.

200312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538683.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 200312133 is about 14153.1668894280. The cubic root of 200312133 is about 585.1076169902.

Adding to 200312133 its reverse (331213002), we get a palindrome (531525135).

The spelling of 200312133 in words is "two hundred million, three hundred twelve thousand, one hundred thirty-three".

Divisors: 1 3 7 21 9538673 28616019 66770711 200312133