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3053044021 = 3198485291
BaseRepresentation
bin1011010111111001…
…1100000100110101
321212202211201001111
42311332130010311
522223034402041
61222541155021
7135441305656
oct26576340465
97782751044
103053044021
111327400185
1271255ba71
13398697331
1420d69352d
1512d070981
hexb5f9c135

3053044021 has 4 divisors (see below), whose sum is σ = 3151529344. Its totient is φ = 2954558700.

The previous prime is 3053044019. The next prime is 3053044037. The reversal of 3053044021 is 1204403503.

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 3053044021 - 21 = 3053044019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3053043983 and 3053044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3053044721) 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, 49242615 + ... + 49242676.

It is an arithmetic number, because the mean of its divisors is an integer number (787882336).

Almost surely, 23053044021 is an apocalyptic number.

3053044021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3053044021 is a deficient number, since it is larger than the sum of its proper divisors (98485323).

3053044021 is an equidigital number, since it uses as much as digits as its factorization.

3053044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98485322.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3053044021 is about 55254.3574842745. The cubic root of 3053044021 is about 1450.7002596235.

Adding to 3053044021 its reverse (1204403503), we get a palindrome (4257447524).

The spelling of 3053044021 in words is "three billion, fifty-three million, forty-four thousand, twenty-one".

Divisors: 1 31 98485291 3053044021