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8013147839 is a prime number
BaseRepresentation
bin1110111011001111…
…01110111010111111
3202200110011002100022
413131213232322333
5112402331212324
63403045322355
7402400430024
oct73547567277
922613132308
108013147839
113442238634
1216777063bb
139a91976c8
1456032b54b
1531d74605e
hex1dd9eeebf

8013147839 has 2 divisors, whose sum is σ = 8013147840. Its totient is φ = 8013147838.

The previous prime is 8013147823. The next prime is 8013147851. The reversal of 8013147839 is 9387413108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8013147839 - 24 = 8013147823 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8013147839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8013147889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006573919 + 4006573920.

It is an arithmetic number, because the mean of its divisors is an integer number (4006573920).

Almost surely, 28013147839 is an apocalyptic number.

8013147839 is a deficient number, since it is larger than the sum of its proper divisors (1).

8013147839 is an equidigital number, since it uses as much as digits as its factorization.

8013147839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 8013147839 is about 89516.1875807946. The cubic root of 8013147839 is about 2001.0950535694.

The spelling of 8013147839 in words is "eight billion, thirteen million, one hundred forty-seven thousand, eight hundred thirty-nine".