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3020968849 = 22431346843
BaseRepresentation
bin1011010000010000…
…0101001110010001
321210112111010012011
42310010011032101
522141332000344
61215433502521
7134601545233
oct26404051621
97715433164
103020968849
111310292678
12703871a41
13391b46942
14209304253
1512a336d34
hexb4105391

3020968849 has 4 divisors (see below), whose sum is σ = 3022317936. Its totient is φ = 3019619764.

The previous prime is 3020968807. The next prime is 3020968877. The reversal of 3020968849 is 9488690203.

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 not a de Polignac number, because 3020968849 - 219 = 3020444561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3020969849) 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, 671179 + ... + 675664.

It is an arithmetic number, because the mean of its divisors is an integer number (755579484).

Almost surely, 23020968849 is an apocalyptic number.

It is an amenable number.

3020968849 is a deficient number, since it is larger than the sum of its proper divisors (1349087).

3020968849 is a wasteful number, since it uses less digits than its factorization.

3020968849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349086.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 3020968849 is about 54963.3409555860. The cubic root of 3020968849 is about 1445.6020286492.

The spelling of 3020968849 in words is "three billion, twenty million, nine hundred sixty-eight thousand, eight hundred forty-nine".

Divisors: 1 2243 1346843 3020968849