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120311200133 = 279974297289
BaseRepresentation
bin111000000001100011…
…0110011100110000101
3102111112200202012211022
41300003012303212011
53432344131401013
6131134210320525
711456265220265
oct1600306634605
9374480665738
10120311200133
1147029599413
121b397b89145
13b464807067
145b747d37a5
1531e2478008
hex1c031b3985

120311200133 has 4 divisors (see below), whose sum is σ = 120315525420. Its totient is φ = 120306874848.

The previous prime is 120311200081. The next prime is 120311200159. The reversal of 120311200133 is 331002113021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331002113021 = 787420587183.

It can be written as a sum of positive squares in 2 ways, for example, as 104014635169 + 16296564964 = 322513^2 + 127658^2 .

It is a cyclic number.

It is not a de Polignac number, because 120311200133 - 212 = 120311196037 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 (120311202133) 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, 2120648 + ... + 2176641.

It is an arithmetic number, because the mean of its divisors is an integer number (30078881355).

Almost surely, 2120311200133 is an apocalyptic number.

It is an amenable number.

120311200133 is a deficient number, since it is larger than the sum of its proper divisors (4325287).

120311200133 is an equidigital number, since it uses as much as digits as its factorization.

120311200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325286.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 120311200133 its reverse (331002113021), we get a palindrome (451313313154).

The spelling of 120311200133 in words is "one hundred twenty billion, three hundred eleven million, two hundred thousand, one hundred thirty-three".

Divisors: 1 27997 4297289 120311200133