Search a number
-
+
133312115 = 5412332791
BaseRepresentation
bin1111111001000…
…10111001110011
3100021211221211202
413330202321303
5233111441430
621121201415
73206064026
oct774427163
9307757752
10133312115
1169284402
123879026b
1321808211
14139c31bd
15ba84d45
hex7f22e73

133312115 has 16 divisors (see below), whose sum is σ = 164638656. Its totient is φ = 103564800.

The previous prime is 133312103. The next prime is 133312129. The reversal of 133312115 is 511213331.

It is not a de Polignac number, because 133312115 - 24 = 133312099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 46370 + ... + 49160.

It is an arithmetic number, because the mean of its divisors is an integer number (10289916).

Almost surely, 2133312115 is an apocalyptic number.

133312115 is a deficient number, since it is larger than the sum of its proper divisors (31326541).

133312115 is a wasteful number, since it uses less digits than its factorization.

133312115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070.

The product of its digits is 270, while the sum is 20.

The square root of 133312115 is about 11546.0865664519. The cubic root of 133312115 is about 510.8458538098.

Adding to 133312115 its reverse (511213331), we get a palindrome (644525446).

The spelling of 133312115 in words is "one hundred thirty-three million, three hundred twelve thousand, one hundred fifteen".

Divisors: 1 5 41 205 233 1165 2791 9553 13955 47765 114431 572155 650303 3251515 26662423 133312115