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2133494361 = 32237054929
BaseRepresentation
bin111111100101010…
…1000101001011001
312111200112202001200
41333022220221121
513332133304421
6551412104413
7103604255115
oct17712505131
95450482050
102133494361
119a5335989
124b6605109
132800174cb
141634c8745
15c7481726
hex7f2a8a59

2133494361 has 6 divisors (see below), whose sum is σ = 3081714090. Its totient is φ = 1422329568.

The previous prime is 2133494347. The next prime is 2133494381. The reversal of 2133494361 is 1634943312.

2133494361 is a `hidden beast` number, since 2 + 133 + 494 + 36 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2044757961 + 88736400 = 45219^2 + 9420^2 .

It is not a de Polignac number, because 2133494361 - 214 = 2133477977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2133494381) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 118527456 + ... + 118527473.

It is an arithmetic number, because the mean of its divisors is an integer number (513619015).

Almost surely, 22133494361 is an apocalyptic number.

It is an amenable number.

2133494361 is a deficient number, since it is larger than the sum of its proper divisors (948219729).

2133494361 is a wasteful number, since it uses less digits than its factorization.

2133494361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237054935 (or 237054932 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 2133494361 is about 46189.7646779024. The cubic root of 2133494361 is about 1287.3515683473.

The spelling of 2133494361 in words is "two billion, one hundred thirty-three million, four hundred ninety-four thousand, three hundred sixty-one".

Divisors: 1 3 9 237054929 711164787 2133494361