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9993000631 is a prime number
BaseRepresentation
bin10010100111010000…
…10001011010110111
3221210102121000210111
421103220101122313
5130431202010011
64331332403451
7502431050425
oct112350213267
927712530714
109993000631
114268874309
121b2a776587
13c33409633
146ab260115
153d7479121
hex253a116b7

9993000631 has 2 divisors, whose sum is σ = 9993000632. Its totient is φ = 9993000630.

The previous prime is 9993000617. The next prime is 9993000671. The reversal of 9993000631 is 1360003999.

9993000631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (9993000671) can be obtained adding 9993000631 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9993000631 - 217 = 9992869559 is a prime.

It is a super-2 number, since 2×99930006312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9993000671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996500315 + 4996500316.

It is an arithmetic number, because the mean of its divisors is an integer number (4996500316).

Almost surely, 29993000631 is an apocalyptic number.

9993000631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9993000631 is an equidigital number, since it uses as much as digits as its factorization.

9993000631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 9993000631 is about 99964.9970289601. The cubic root of 9993000631 is about 2153.9319165977.

The spelling of 9993000631 in words is "nine billion, nine hundred ninety-three million, six hundred thirty-one", and thus it is an aban number.