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3020949121 is a prime number
BaseRepresentation
bin1011010000010000…
…0000011010000001
321210112110010010111
42310010000122001
522141330332441
61215433231321
7134601433561
oct26404003201
97715403114
103020949121
111310279873
12703862541
13391b3a978
142092dada1
1512a331081
hexb4100681

3020949121 has 2 divisors, whose sum is σ = 3020949122. Its totient is φ = 3020949120.

The previous prime is 3020949077. The next prime is 3020949143. The reversal of 3020949121 is 1219490203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2057529600 + 963419521 = 45360^2 + 31039^2 .

It is an emirp because it is prime and its reverse (1219490203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3020949121 is a prime.

It is a super-2 number, since 2×30209491212 = 18252267183341345282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3020959121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510474560 + 1510474561.

It is an arithmetic number, because the mean of its divisors is an integer number (1510474561).

Almost surely, 23020949121 is an apocalyptic number.

It is an amenable number.

3020949121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020949121 is an equidigital number, since it uses as much as digits as its factorization.

3020949121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3020949121 is about 54963.1614902200. The cubic root of 3020949121 is about 1445.5988818774.

The spelling of 3020949121 in words is "three billion, twenty million, nine hundred forty-nine thousand, one hundred twenty-one".