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94381457197 is a prime number
BaseRepresentation
bin101011111100110010…
…0101011111100101101
3100000121121100210110211
41113321210223330231
53021243123112242
6111205214102421
76550601102146
oct1277144537455
9300547323424
1094381457197
11370329657a5
12163601aaa11
138b917921c1
1447d4b8aacd
1526c5d51317
hex15f992bf2d

94381457197 has 2 divisors, whose sum is σ = 94381457198. Its totient is φ = 94381457196.

The previous prime is 94381457153. The next prime is 94381457221. The reversal of 94381457197 is 79175418349.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82567723716 + 11813733481 = 287346^2 + 108691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-94381457197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94381457117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47190728598 + 47190728599.

It is an arithmetic number, because the mean of its divisors is an integer number (47190728599).

Almost surely, 294381457197 is an apocalyptic number.

It is an amenable number.

94381457197 is a deficient number, since it is larger than the sum of its proper divisors (1).

94381457197 is an equidigital number, since it uses as much as digits as its factorization.

94381457197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 58.

The spelling of 94381457197 in words is "ninety-four billion, three hundred eighty-one million, four hundred fifty-seven thousand, one hundred ninety-seven".