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3128275268 = 221734520629
BaseRepresentation
bin1011101001110101…
…1011000101000100
322002000101211220222
42322131123011010
522401314302033
61234225443512
7140343621026
oct27235330504
98060354828
103128275268
111365914568
127337a0598
133ab147c71
14219678016
15134981598
hexba75b144

3128275268 has 12 divisors (see below), whose sum is σ = 5506127340. Its totient is φ = 1555096032.

The previous prime is 3128275253. The next prime is 3128275279. The reversal of 3128275268 is 8625728213.

3128275268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2826836224 + 301439044 = 53168^2 + 17362^2 .

It is a super-2 number, since 2×31282752682 = 19572212304760943648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259623 + ... + 2261006.

It is an arithmetic number, because the mean of its divisors is an integer number (458843945).

Almost surely, 23128275268 is an apocalyptic number.

It is an amenable number.

3128275268 is a deficient number, since it is larger than the sum of its proper divisors (2377852072).

3128275268 is a wasteful number, since it uses less digits than its factorization.

3128275268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520806 (or 4520804 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 3128275268 is about 55930.9866531961. The cubic root of 3128275268 is about 1462.5194609922.

The spelling of 3128275268 in words is "three billion, one hundred twenty-eight million, two hundred seventy-five thousand, two hundred sixty-eight".

Divisors: 1 2 4 173 346 692 4520629 9041258 18082516 782068817 1564137634 3128275268