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3011752421 is a prime number
BaseRepresentation
bin1011001110000011…
…1011000111100101
321202220010212121222
42303200323013211
522132002034141
61214504150125
7134430321206
oct26340730745
97686125558
103011752421
111306068197
12700768345
1338cc6a932
14207dc55ad
1512961614b
hexb383b1e5

3011752421 has 2 divisors, whose sum is σ = 3011752422. Its totient is φ = 3011752420.

The previous prime is 3011752349. The next prime is 3011752423. The reversal of 3011752421 is 1242571103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2310244225 + 701508196 = 48065^2 + 26486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3011752421 - 210 = 3011751397 is a prime.

It is a super-2 number, since 2×30117524212 = 18141305290798722482, which contains 22 as substring.

Together with 3011752423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3011752423) 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 as a sum of consecutive naturals, namely, 1505876210 + 1505876211.

It is an arithmetic number, because the mean of its divisors is an integer number (1505876211).

Almost surely, 23011752421 is an apocalyptic number.

It is an amenable number.

3011752421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3011752421 is an equidigital number, since it uses as much as digits as its factorization.

3011752421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 3011752421 is about 54879.4353196168. The cubic root of 3011752421 is about 1444.1304412581.

The spelling of 3011752421 in words is "three billion, eleven million, seven hundred fifty-two thousand, four hundred twenty-one".