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4886021985 = 3513163347443
BaseRepresentation
bin1001000110011101…
…01100011101100001
3110121111220122010020
410203032230131201
540001310200420
62124500224053
7232036334025
oct44316543541
913544818106
104886021985
1120880396a9
12b4439b029
135cb362990
14344cb2385
151d8e40340
hex1233ac761

4886021985 has 64 divisors (see below), whose sum is σ = 8514229248. Its totient is φ = 2378398464.

The previous prime is 4886021927. The next prime is 4886022019. The reversal of 4886021985 is 5891206884.

It is not a de Polignac number, because 4886021985 - 210 = 4886020961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11029174 + ... + 11029616.

It is an arithmetic number, because the mean of its divisors is an integer number (133034832).

Almost surely, 24886021985 is an apocalyptic number.

It is an amenable number.

4886021985 is a deficient number, since it is larger than the sum of its proper divisors (3628207263).

4886021985 is a wasteful number, since it uses less digits than its factorization.

4886021985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The square root of 4886021985 is about 69900.0857295612. The cubic root of 4886021985 is about 1696.8826359522.

The spelling of 4886021985 in words is "four billion, eight hundred eighty-six million, twenty-one thousand, nine hundred eighty-five".

Divisors: 1 3 5 13 15 39 65 163 195 347 443 489 815 1041 1329 1735 2119 2215 2445 4511 5205 5759 6357 6645 10595 13533 17277 22555 28795 31785 56561 67665 72209 86385 153721 169683 216627 282805 361045 461163 735293 768605 848415 938717 1083135 1998373 2205879 2305815 2816151 3676465 4693585 5995119 9991865 11029395 14080755 25056523 29975595 75169569 125282615 325734799 375847845 977204397 1628673995 4886021985