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94120071779 is a prime number
BaseRepresentation
bin101011110100111111…
…1100101001001100011
322222221101112001002102
41113221333211021203
53020224214244104
6111123235441015
76541245260426
oct1275177451143
9288841461072
1094120071779
1136a09365a98
12162a875616b
138b4c594486
1447ac1899bd
1526ace1da1e
hex15e9fe5263

94120071779 has 2 divisors, whose sum is σ = 94120071780. Its totient is φ = 94120071778.

The previous prime is 94120071763. The next prime is 94120071781. The reversal of 94120071779 is 97717002149.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94120071779 - 24 = 94120071763 is a prime.

It is a super-2 number, since 2×941200717792 (a number of 23 digits) contains 22 as substring.

Together with 94120071781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94120071679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47060035889 + 47060035890.

It is an arithmetic number, because the mean of its divisors is an integer number (47060035890).

Almost surely, 294120071779 is an apocalyptic number.

94120071779 is a deficient number, since it is larger than the sum of its proper divisors (1).

94120071779 is an equidigital number, since it uses as much as digits as its factorization.

94120071779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 47.

The spelling of 94120071779 in words is "ninety-four billion, one hundred twenty million, seventy-one thousand, seven hundred seventy-nine".