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2683028881 = 13206386837
BaseRepresentation
bin1001111111101011…
…1100010110010001
320220222120222201001
42133322330112101
520443323411011
61122122342001
7123326240431
oct23772742621
96828528631
102683028881
111157555345
1262a65a901
13339b23b70
141b64962c1
1510a8317c1
hex9febc591

2683028881 has 4 divisors (see below), whose sum is σ = 2889415732. Its totient is φ = 2476642032.

The previous prime is 2683028863. The next prime is 2683028891. The reversal of 2683028881 is 1888203862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1723578256 + 959450625 = 41516^2 + 30975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2683028881 - 27 = 2683028753 is a prime.

It is a super-2 number, since 2×26830288812 = 14397287952560224322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2683028851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103193406 + ... + 103193431.

It is an arithmetic number, because the mean of its divisors is an integer number (722353933).

Almost surely, 22683028881 is an apocalyptic number.

It is an amenable number.

2683028881 is a deficient number, since it is larger than the sum of its proper divisors (206386851).

2683028881 is a wasteful number, since it uses less digits than its factorization.

2683028881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206386850.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 2683028881 is about 51797.9621317287. The cubic root of 2683028881 is about 1389.5529989617.

The spelling of 2683028881 in words is "two billion, six hundred eighty-three million, twenty-eight thousand, eight hundred eighty-one".

Divisors: 1 13 206386837 2683028881