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133340043 = 3192123121
BaseRepresentation
bin1111111001010…
…01101110001011
3100021220101011010
413330221232023
5233113340133
621121535003
73206241324
oct774515613
9307811133
10133340043
11692a3391
12387a4463
1321817b45
14139cd44b
15ba8d263
hex7f29b8b

133340043 has 12 divisors (see below), whose sum is σ = 187637928. Its totient is φ = 84214080.

The previous prime is 133340023. The next prime is 133340047. The reversal of 133340043 is 340043331.

It is not a de Polignac number, because 133340043 - 216 = 133274507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133340047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60478 + ... + 62643.

It is an arithmetic number, because the mean of its divisors is an integer number (15636494).

Almost surely, 2133340043 is an apocalyptic number.

133340043 is a deficient number, since it is larger than the sum of its proper divisors (54297885).

133340043 is a wasteful number, since it uses less digits than its factorization.

133340043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123162 (or 123143 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 133340043 is about 11547.2959172267. The cubic root of 133340043 is about 510.8815242534.

Adding to 133340043 its reverse (340043331), we get a palindrome (473383374).

The spelling of 133340043 in words is "one hundred thirty-three million, three hundred forty thousand, forty-three".

Divisors: 1 3 19 57 361 1083 123121 369363 2339299 7017897 44446681 133340043