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16052013 = 34198173
BaseRepresentation
bin111101001110…
…111100101101
31010012112020000
4331032330231
513102131023
61332014513
7253303605
oct75167455
933175200
1016052013
11907412a
125461439
133430443
1421bbc05
151621243
hexf4ef2d

16052013 has 10 divisors (see below), whose sum is σ = 23979054. Its totient is φ = 10701288.

The previous prime is 16051991. The next prime is 16052027. The reversal of 16052013 is 31025061.

It can be written as a sum of positive squares in only one way, i.e., 15824484 + 227529 = 3978^2 + 477^2 .

It is not a de Polignac number, because 16052013 - 26 = 16051949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16052053) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 99006 + ... + 99167.

Almost surely, 216052013 is an apocalyptic number.

It is an amenable number.

16052013 is a deficient number, since it is larger than the sum of its proper divisors (7927041).

16052013 is an equidigital number, since it uses as much as digits as its factorization.

16052013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198185 (or 198176 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 16052013 is about 4006.4963496801. The cubic root of 16052013 is about 252.2569657727.

Adding to 16052013 its reverse (31025061), we get a palindrome (47077074).

The spelling of 16052013 in words is "sixteen million, fifty-two thousand, thirteen".

Divisors: 1 3 9 27 81 198173 594519 1783557 5350671 16052013