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133331113 = 197198837
BaseRepresentation
bin1111111001001…
…11100010101001
3100021212220220101
413330213202221
5233113043423
621121425401
73206203306
oct774474251
9307786811
10133331113
1169297703
123879b261
1321813a66
14139ca0ad
15ba8a7ad
hex7f278a9

133331113 has 8 divisors (see below), whose sum is σ = 142326720. Its totient is φ = 124533360.

The previous prime is 133331083. The next prime is 133331129. The reversal of 133331113 is 311133331.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133331113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (133331173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48070 + ... + 50767.

It is an arithmetic number, because the mean of its divisors is an integer number (17790840).

Almost surely, 2133331113 is an apocalyptic number.

It is an amenable number.

133331113 is a deficient number, since it is larger than the sum of its proper divisors (8995607).

133331113 is an equidigital number, since it uses as much as digits as its factorization.

133331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98927.

The product of its digits is 243, while the sum is 19.

The square root of 133331113 is about 11546.9092401387. The cubic root of 133331113 is about 510.8701191427.

Adding to 133331113 its reverse (311133331), we get a palindrome (444464444).

The spelling of 133331113 in words is "one hundred thirty-three million, three hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 19 71 1349 98837 1877903 7017427 133331113