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94385087987 is a prime number
BaseRepresentation
bin101011111100111001…
…0100010010111110011
3100000121212012020222112
41113321302202113303
53021300040303422
6111205423555535
76550644003431
oct1277162422763
9300555166875
1094385087987
1137034a15653
121636145bbab
138b924639b8
1447d5453d51
1526c631bee2
hex15f9ca25f3

94385087987 has 2 divisors, whose sum is σ = 94385087988. Its totient is φ = 94385087986.

The previous prime is 94385087981. The next prime is 94385087999. The reversal of 94385087987 is 78978058349.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-94385087987 is a prime.

It is not a weakly prime, because it can be changed into another prime (94385087981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47192543993 + 47192543994.

It is an arithmetic number, because the mean of its divisors is an integer number (47192543994).

Almost surely, 294385087987 is an apocalyptic number.

94385087987 is a deficient number, since it is larger than the sum of its proper divisors (1).

94385087987 is an equidigital number, since it uses as much as digits as its factorization.

94385087987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 68.

The spelling of 94385087987 in words is "ninety-four billion, three hundred eighty-five million, eighty-seven thousand, nine hundred eighty-seven".