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120133133 = 186164553
BaseRepresentation
bin1110010100100…
…01011000001101
322101001101200022
413022101120031
5221223230013
615530511525
72656054241
oct712213015
9271041608
10120133133
11618a288a
12342955a5
131bb726c3
1411d52421
15a830008
hex729160d

120133133 has 4 divisors (see below), whose sum is σ = 120199548. Its totient is φ = 120066720.

The previous prime is 120133127. The next prime is 120133141. The reversal of 120133133 is 331331021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331331021 = 747333003.

It can be written as a sum of positive squares in 2 ways, for example, as 405769 + 119727364 = 637^2 + 10942^2 .

It is a cyclic number.

It is not a de Polignac number, because 120133133 - 222 = 115938829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120133193) 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, 30416 + ... + 34137.

It is an arithmetic number, because the mean of its divisors is an integer number (30049887).

Almost surely, 2120133133 is an apocalyptic number.

It is an amenable number.

120133133 is a deficient number, since it is larger than the sum of its proper divisors (66415).

120133133 is an equidigital number, since it uses as much as digits as its factorization.

120133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66414.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 120133133 is about 10960.5261278827. The cubic root of 120133133 is about 493.4247553463.

Adding to 120133133 its reverse (331331021), we get a palindrome (451464154).

The spelling of 120133133 in words is "one hundred twenty million, one hundred thirty-three thousand, one hundred thirty-three".

Divisors: 1 1861 64553 120133133