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2889128755 = 54114093311
BaseRepresentation
bin1010110000110100…
…1001101100110011
321110100101221120201
42230031021230303
521404104110010
61154404020031
7131411121622
oct25415115463
97410357521
102889128755
111252924217
12687691617
13370735756
141d59c56b9
1511d99323a
hexac349b33

2889128755 has 8 divisors (see below), whose sum is σ = 3551514624. Its totient is φ = 2254929600.

The previous prime is 2889128729. The next prime is 2889128773. The reversal of 2889128755 is 5578219882.

2889128755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2889128755 - 221 = 2887031603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2889128696 and 2889128705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7046451 + ... + 7046860.

It is an arithmetic number, because the mean of its divisors is an integer number (443939328).

Almost surely, 22889128755 is an apocalyptic number.

2889128755 is a deficient number, since it is larger than the sum of its proper divisors (662385869).

2889128755 is a wasteful number, since it uses less digits than its factorization.

2889128755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14093357.

The product of its digits is 3225600, while the sum is 55.

The square root of 2889128755 is about 53750.6163220479. The cubic root of 2889128755 is about 1424.2589773990.

The spelling of 2889128755 in words is "two billion, eight hundred eighty-nine million, one hundred twenty-eight thousand, seven hundred fifty-five".

Divisors: 1 5 41 205 14093311 70466555 577825751 2889128755