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3030374921 = 7432910703
BaseRepresentation
bin1011010010011111…
…1101101000001001
321211012011222220012
42310213331220021
522201233444141
61220411241305
7135044522210
oct26447755011
97735158805
103030374921
111315627592
12706a49235
13393a8b072
1420a672077
1512b093ceb
hexb49fda09

3030374921 has 4 divisors (see below), whose sum is σ = 3463285632. Its totient is φ = 2597464212.

The previous prime is 3030374909. The next prime is 3030374929. The reversal of 3030374921 is 1294730303.

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 de Polignac number, because none of the positive numbers 2k-3030374921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3030374929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216455345 + ... + 216455358.

It is an arithmetic number, because the mean of its divisors is an integer number (865821408).

Almost surely, 23030374921 is an apocalyptic number.

It is an amenable number.

3030374921 is a deficient number, since it is larger than the sum of its proper divisors (432910711).

3030374921 is an equidigital number, since it uses as much as digits as its factorization.

3030374921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432910710.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 3030374921 is about 55048.8412321277. The cubic root of 3030374921 is about 1447.1008136972.

The spelling of 3030374921 in words is "three billion, thirty million, three hundred seventy-four thousand, nine hundred twenty-one".

Divisors: 1 7 432910703 3030374921