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9860000985 = 3252347202693
BaseRepresentation
bin10010010111011001…
…11010110011011001
3221110011022221120200
421023230322303121
5130143130012420
64310222012413
7466224424362
oct111354726331
927404287520
109860000985
1141aa79374a
121ab2117109
13c119b0713
1469771cb69
153ca956b90
hex24bb3acd9

9860000985 has 48 divisors (see below), whose sum is σ = 18213272064. Its totient is φ = 4922983296.

The previous prime is 9860000977. The next prime is 9860001013. The reversal of 9860000985 is 5890000689.

It is not a de Polignac number, because 9860000985 - 23 = 9860000977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9860000985.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 52702 + ... + 149991.

It is an arithmetic number, because the mean of its divisors is an integer number (379443168).

Almost surely, 29860000985 is an apocalyptic number.

It is an amenable number.

9860000985 is a deficient number, since it is larger than the sum of its proper divisors (8353271079).

9860000985 is a wasteful number, since it uses less digits than its factorization.

9860000985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202774 (or 202771 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 9860000985 is about 99297.5376582924. The cubic root of 9860000985 is about 2144.3334457185. Note that the first 3 decimals are identical.

The spelling of 9860000985 in words is "nine billion, eight hundred sixty million, nine hundred eighty-five", and thus it is an aban number.

Divisors: 1 3 5 9 15 23 45 47 69 115 141 207 235 345 423 705 1035 1081 2115 3243 5405 9729 16215 48645 202693 608079 1013465 1824237 3040395 4661939 9121185 9526571 13985817 23309695 28579713 41957451 47632855 69929085 85739139 142898565 209787255 219111133 428695695 657333399 1095555665 1972000197 3286666995 9860000985