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2485745851 = 19130828729
BaseRepresentation
bin1001010000101001…
…0111100010111011
320102020100222021011
42110022113202323
520042322331401
61050354054351
7115412330311
oct22412274273
96366328234
102485745851
111066158716
1259457a3b7
13307cab444
141981c00b1
15e8362451
hex942978bb

2485745851 has 4 divisors (see below), whose sum is σ = 2616574600. Its totient is φ = 2354917104.

The previous prime is 2485745839. The next prime is 2485745893. The reversal of 2485745851 is 1585475842.

2485745851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2485745851 - 211 = 2485743803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2485745795 and 2485745804.

It is not an unprimeable number, because it can be changed into a prime (2485745651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65414346 + ... + 65414383.

It is an arithmetic number, because the mean of its divisors is an integer number (654143650).

Almost surely, 22485745851 is an apocalyptic number.

2485745851 is a deficient number, since it is larger than the sum of its proper divisors (130828749).

2485745851 is a wasteful number, since it uses less digits than its factorization.

2485745851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130828748.

The product of its digits is 1792000, while the sum is 49.

The square root of 2485745851 is about 49857.2547479301. The cubic root of 2485745851 is about 1354.6244427885.

The spelling of 2485745851 in words is "two billion, four hundred eighty-five million, seven hundred forty-five thousand, eight hundred fifty-one".

Divisors: 1 19 130828729 2485745851