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10128033885 = 351935536961
BaseRepresentation
bin10010110111010110…
…11000100001011101
3222010211200102121010
421123223120201131
5131220234041020
64352554525433
7505660603404
oct113353304135
928124612533
1010128033885
114328013842
121b67a36879
13c55398078
146c117063b
153e424dde0
hex25bad885d

10128033885 has 16 divisors (see below), whose sum is σ = 17057741760. Its totient is φ = 5117322240.

The previous prime is 10128033859. The next prime is 10128033893. The reversal of 10128033885 is 58833082101.

10128033885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10128033885 - 27 = 10128033757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17768196 + ... + 17768765.

It is an arithmetic number, because the mean of its divisors is an integer number (1066108860).

Almost surely, 210128033885 is an apocalyptic number.

10128033885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10128033885 is a deficient number, since it is larger than the sum of its proper divisors (6929707875).

10128033885 is a wasteful number, since it uses less digits than its factorization.

10128033885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35536988.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 10128033885 in words is "ten billion, one hundred twenty-eight million, thirty-three thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 19 57 95 285 35536961 106610883 177684805 533054415 675202259 2025606777 3376011295 10128033885