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94192255021 is a prime number
BaseRepresentation
bin101011110111001001…
…0111100000000101101
3100000010102100022212211
41113232102330000231
53020401204130041
6111134334530421
76543112646254
oct1275622740055
9300112308784
1094192255021
1136a46088367
1216308966a11
138b61518957
1447b79b979b
1526b442b481
hex15ee4bc02d

94192255021 has 2 divisors, whose sum is σ = 94192255022. Its totient is φ = 94192255020.

The previous prime is 94192254983. The next prime is 94192255081. The reversal of 94192255021 is 12055229149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92628922500 + 1563332521 = 304350^2 + 39539^2 .

It is an emirp because it is prime and its reverse (12055229149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94192255021 - 29 = 94192254509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94192255081) 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, 47096127510 + 47096127511.

It is an arithmetic number, because the mean of its divisors is an integer number (47096127511).

Almost surely, 294192255021 is an apocalyptic number.

It is an amenable number.

94192255021 is a deficient number, since it is larger than the sum of its proper divisors (1).

94192255021 is an equidigital number, since it uses as much as digits as its factorization.

94192255021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 94192255021 in words is "ninety-four billion, one hundred ninety-two million, two hundred fifty-five thousand, twenty-one".