Search a number
-
+
133379713 = 173770981
BaseRepresentation
bin1111111001100…
…11011010000001
3100021222101120101
413330303122001
5233121122323
621122442401
73206465065
oct774633201
9307871511
10133379713
1169320175
1238803401
132182cc0c
14139ddaa5
15ba99dad
hex7f33681

133379713 has 4 divisors (see below), whose sum is σ = 134150868. Its totient is φ = 132608560.

The previous prime is 133379711. The next prime is 133379789. The reversal of 133379713 is 317973331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120297024 + 13082689 = 10968^2 + 3617^2 .

It is a cyclic number.

It is not a de Polignac number, because 133379713 - 21 = 133379711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133379711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385318 + ... + 385663.

It is an arithmetic number, because the mean of its divisors is an integer number (33537717).

Almost surely, 2133379713 is an apocalyptic number.

It is an amenable number.

133379713 is a deficient number, since it is larger than the sum of its proper divisors (771155).

133379713 is an equidigital number, since it uses as much as digits as its factorization.

133379713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771154.

The product of its digits is 35721, while the sum is 37.

The square root of 133379713 is about 11549.0135076551. The cubic root of 133379713 is about 510.9321833555.

The spelling of 133379713 in words is "one hundred thirty-three million, three hundred seventy-nine thousand, seven hundred thirteen".

Divisors: 1 173 770981 133379713