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10010009987 is a prime number
BaseRepresentation
bin10010101001010010…
…01010000110000011
3221211121121012020122
421110221022012003
5131000030304422
64333141130455
7503025452405
oct112451120603
927747535218
1010010009987
11427743172a
121b343b9a2b
13c36ab3743
153d8bd8d42
hex254a4a183

10010009987 has 2 divisors, whose sum is σ = 10010009988. Its totient is φ = 10010009986.

The previous prime is 10010009981. The next prime is 10010010013. The reversal of 10010009987 is 78990001001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10010009987 - 26 = 10010009923 is a prime.

It is not a weakly prime, because it can be changed into another prime (10010009981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005004993 + 5005004994.

It is an arithmetic number, because the mean of its divisors is an integer number (5005004994).

Almost surely, 210010009987 is an apocalyptic number.

10010009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010009987 is an equidigital number, since it uses as much as digits as its factorization.

10010009987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 10010009987 in words is "ten billion, ten million, nine thousand, nine hundred eighty-seven".