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2828485021 = 13147215143
BaseRepresentation
bin1010100010010111…
…0100000110011101
321022010021221000111
42220211310012131
521243043010041
61144400130021
7130043504005
oct25045640635
97263257014
102828485021
11122167372a
1266b306911
13360cc179b
141cb91b005
151184b4981
hexa897419d

2828485021 has 4 divisors (see below), whose sum is σ = 2828713312. Its totient is φ = 2828256732.

The previous prime is 2828485001. The next prime is 2828485063. The reversal of 2828485021 is 1205848282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2828485021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828485001) 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, 94425 + ... + 120718.

It is an arithmetic number, because the mean of its divisors is an integer number (707178328).

Almost surely, 22828485021 is an apocalyptic number.

It is an amenable number.

2828485021 is a deficient number, since it is larger than the sum of its proper divisors (228291).

2828485021 is a wasteful number, since it uses less digits than its factorization.

2828485021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228290.

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 2828485021 is about 53183.5032787424. The cubic root of 2828485021 is about 1414.2232116829.

The spelling of 2828485021 in words is "two billion, eight hundred twenty-eight million, four hundred eighty-five thousand, twenty-one".

Divisors: 1 13147 215143 2828485021