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9942006047 is a prime number
BaseRepresentation
bin10010100001001011…
…01111100100011111
3221122212122020101012
421100211233210133
5130330123143142
64322311405435
7501241441241
oct112045574437
927585566335
109942006047
114242004326
121b1568387b
13c2599361c
146a4588091
153d2c54882
hex25096f91f

9942006047 has 2 divisors, whose sum is σ = 9942006048. Its totient is φ = 9942006046.

The previous prime is 9942006029. The next prime is 9942006083. The reversal of 9942006047 is 7406002499.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9942006047 - 210 = 9942005023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9942005995 and 9942006013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9942006097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971003023 + 4971003024.

It is an arithmetic number, because the mean of its divisors is an integer number (4971003024).

Almost surely, 29942006047 is an apocalyptic number.

9942006047 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942006047 is an equidigital number, since it uses as much as digits as its factorization.

9942006047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 9942006047 is about 99709.6085991716. The cubic root of 9942006047 is about 2150.2618067338.

The spelling of 9942006047 in words is "nine billion, nine hundred forty-two million, six thousand, forty-seven".