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133116085 = 539767061
BaseRepresentation
bin1111110111100…
…11000010110101
3100021110222221101
413323303002311
5233034203320
621113050101
73204316354
oct773630265
9307428841
10133116085
11691600a3
12386b6931
1321769c1b
141397199b
15ba46c0a
hex7ef30b5

133116085 has 8 divisors (see below), whose sum is σ = 160144056. Its totient is φ = 106223040.

The previous prime is 133116073. The next prime is 133116131. The reversal of 133116085 is 580611331.

It can be written as a sum of positive squares in 4 ways, for example, as 13476241 + 119639844 = 3671^2 + 10938^2 .

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

It is not a de Polignac number, because 133116085 - 215 = 133083317 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 31546 + ... + 35515.

It is an arithmetic number, because the mean of its divisors is an integer number (20018007).

Almost surely, 2133116085 is an apocalyptic number.

It is an amenable number.

133116085 is a deficient number, since it is larger than the sum of its proper divisors (27027971).

133116085 is an equidigital number, since it uses as much as digits as its factorization.

133116085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67463.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 133116085 is about 11537.5944199820. The cubic root of 133116085 is about 510.5953383500.

The spelling of 133116085 in words is "one hundred thirty-three million, one hundred sixteen thousand, eighty-five".

Divisors: 1 5 397 1985 67061 335305 26623217 133116085