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3868885000 = 2354773777
BaseRepresentation
bin1110011010011010…
…1000000000001000
3100222121222201111001
43212212220000020
530410413310000
61435523344344
7164605660051
oct34646500010
910877881431
103868885000
111705980622
128bb8220b4
13498705586
14289b83728
151799c646a
hexe69a8008

3868885000 has 40 divisors (see below), whose sum is σ = 9064809270. Its totient is φ = 1547552000.

The previous prime is 3868884997. The next prime is 3868885001. The reversal of 3868885000 is 5888683.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 53846244 + 3815038756 = 7338^2 + 61766^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×38688850002 = 29936542286450000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3868885001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 381889 + ... + 391888.

Almost surely, 23868885000 is an apocalyptic number.

It is an amenable number.

3868885000 is an abundant number, since it is smaller than the sum of its proper divisors (5195924270).

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

3868885000 is an equidigital number, since it uses as much as digits as its factorization.

3868885000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773803 (or 773784 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 3868885000 is about 62200.3617352825. The cubic root of 3868885000 is about 1569.8636743166.

The spelling of 3868885000 in words is "three billion, eight hundred sixty-eight million, eight hundred eighty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 773777 1547554 3095108 3868885 6190216 7737770 15475540 19344425 30951080 38688850 77377700 96722125 154755400 193444250 386888500 483610625 773777000 967221250 1934442500 3868885000