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7428206987039 is a prime number
BaseRepresentation
bin110110000011000001110…
…1000111000011100011111
3222022010111111221202100202
41230012003220320130133
51433200431442041124
623444245435214115
71364445615413066
oct154060350703437
928263444852322
107428206987039
112404315211583
129bb7775a733b
1341b627a17037
141b97546691dd
15cd3585e85ae
hex6c183a3871f

7428206987039 has 2 divisors, whose sum is σ = 7428206987040. Its totient is φ = 7428206987038.

The previous prime is 7428206987027. The next prime is 7428206987041. The reversal of 7428206987039 is 9307896028247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7428206987039 is a prime.

Together with 7428206987041, 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 (7428206927039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3714103493519 + 3714103493520.

It is an arithmetic number, because the mean of its divisors is an integer number (3714103493520).

Almost surely, 27428206987039 is an apocalyptic number.

7428206987039 is a deficient number, since it is larger than the sum of its proper divisors (1).

7428206987039 is an equidigital number, since it uses as much as digits as its factorization.

7428206987039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 7428206987039 in words is "seven trillion, four hundred twenty-eight billion, two hundred six million, nine hundred eighty-seven thousand, thirty-nine".