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3128829919 is a prime number
BaseRepresentation
bin1011101001111110…
…0010011111011111
322002001110000202121
42322133202133133
522401440024134
61234245403411
7140351421055
oct27237423737
98061400677
103128829919
111366163256
12733a09567
133ab2b0567
142197801d5
15134a40ab4
hexba7e27df

3128829919 has 2 divisors, whose sum is σ = 3128829920. Its totient is φ = 3128829918.

The previous prime is 3128829911. The next prime is 3128829929. The reversal of 3128829919 is 9199288213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3128829919 - 23 = 3128829911 is a prime.

It is a super-2 number, since 2×31288299192 = 19579153324059093122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3128829911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564414959 + 1564414960.

It is an arithmetic number, because the mean of its divisors is an integer number (1564414960).

Almost surely, 23128829919 is an apocalyptic number.

3128829919 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128829919 is an equidigital number, since it uses as much as digits as its factorization.

3128829919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 52.

The square root of 3128829919 is about 55935.9447850843. The cubic root of 3128829919 is about 1462.6058919991.

The spelling of 3128829919 in words is "three billion, one hundred twenty-eight million, eight hundred twenty-nine thousand, nine hundred nineteen".