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94113190681 is a prime number
BaseRepresentation
bin101011110100110010…
…1010101001100011001
322222220220120102222221
41113221211111030121
53020220434100211
6111122432144041
76541132631056
oct1275145251431
9288826512887
1094113190681
1136a05496134
12162a6398021
138b4b025413
1447ab2b802d
1526ac50ec71
hex15e9955319

94113190681 has 2 divisors, whose sum is σ = 94113190682. Its totient is φ = 94113190680.

The previous prime is 94113190657. The next prime is 94113190733. The reversal of 94113190681 is 18609131149.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86966010000 + 7147180681 = 294900^2 + 84541^2 .

It is a cyclic number.

It is not a de Polignac number, because 94113190681 - 25 = 94113190649 is a prime.

It is a super-2 number, since 2×941131906812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94113190621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47056595340 + 47056595341.

It is an arithmetic number, because the mean of its divisors is an integer number (47056595341).

Almost surely, 294113190681 is an apocalyptic number.

It is an amenable number.

94113190681 is a deficient number, since it is larger than the sum of its proper divisors (1).

94113190681 is an equidigital number, since it uses as much as digits as its factorization.

94113190681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 94113190681 in words is "ninety-four billion, one hundred thirteen million, one hundred ninety thousand, six hundred eighty-one".