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133120046 = 266560023
BaseRepresentation
bin1111110111101…
…00000000101110
3100021111012101002
413323310000232
5233034320141
621113120302
73204334043
oct773640056
9307435332
10133120046
1169163074
12386b9092
132176b977
14139731ca
15ba47e9b
hex7ef402e

133120046 has 4 divisors (see below), whose sum is σ = 199680072. Its totient is φ = 66560022.

The previous prime is 133120037. The next prime is 133120049. The reversal of 133120046 is 640021331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133120049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33280010 + ... + 33280013.

It is an arithmetic number, because the mean of its divisors is an integer number (49920018).

Almost surely, 2133120046 is an apocalyptic number.

133120046 is a deficient number, since it is larger than the sum of its proper divisors (66560026).

133120046 is an equidigital number, since it uses as much as digits as its factorization.

133120046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66560025.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133120046 is about 11537.7660749384. The cubic root of 133120046 is about 510.6004027219.

Adding to 133120046 its reverse (640021331), we get a palindrome (773141377).

The spelling of 133120046 in words is "one hundred thirty-three million, one hundred twenty thousand, forty-six".

Divisors: 1 2 66560023 133120046