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3863985912 = 2332311172561
BaseRepresentation
bin1110011001001111…
…1011111011111000
3100222021202211012100
43212103323323320
530403140022122
61435230343400
7164516224023
oct34623737370
910867684170
103863985912
111703134896
128ba05ab60
134976ab6c7
1428926a1ba
15179359aac
hexe64fbef8

3863985912 has 48 divisors (see below), whose sum is σ = 10498672080. Its totient is φ = 1283846400.

The previous prime is 3863985899. The next prime is 3863985943. The reversal of 3863985912 is 2195893683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63889 + ... + 108672.

It is an arithmetic number, because the mean of its divisors is an integer number (218722335).

Almost surely, 23863985912 is an apocalyptic number.

It is an amenable number.

3863985912 is an abundant number, since it is smaller than the sum of its proper divisors (6634686168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3863985912 is a wasteful number, since it uses less digits than its factorization.

3863985912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172884 (or 172877 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 3863985912 is about 62160.9677530844. The cubic root of 3863985912 is about 1569.2007659377.

The spelling of 3863985912 in words is "three billion, eight hundred sixty-three million, nine hundred eighty-five thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 311 622 933 1244 1866 2488 2799 3732 5598 7464 11196 22392 172561 345122 517683 690244 1035366 1380488 1553049 2070732 3106098 4141464 6212196 12424392 53666471 107332942 160999413 214665884 321998826 429331768 482998239 643997652 965996478 1287995304 1931992956 3863985912