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28124307706519 is a prime number
BaseRepresentation
bin1100110010100001100110…
…10111101101001010010111
310200120122202100201200110101
412121100303113231022113
512141242040233102034
6135452043435434531
75631625364064523
oct631206327551227
9120518670650411
1028124307706519
118a634a7557022
1231a28198b5a47
13129015967c40b
146d331bdb4d83
1533b8a0059514
hex1994335ed297

28124307706519 has 2 divisors, whose sum is σ = 28124307706520. Its totient is φ = 28124307706518.

The previous prime is 28124307706513. The next prime is 28124307706711. The reversal of 28124307706519 is 91560770342182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28124307706519 - 23 = 28124307706511 is a prime.

It is a super-2 number, since 2×281243077065192 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28124307706519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28124307706511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14062153853259 + 14062153853260.

It is an arithmetic number, because the mean of its divisors is an integer number (14062153853260).

It is a 1-persistent number, because it is pandigital, but 2⋅28124307706519 = 56248615413038 is not.

Almost surely, 228124307706519 is an apocalyptic number.

28124307706519 is a deficient number, since it is larger than the sum of its proper divisors (1).

28124307706519 is an equidigital number, since it uses as much as digits as its factorization.

28124307706519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 28124307706519 in words is "twenty-eight trillion, one hundred twenty-four billion, three hundred seven million, seven hundred six thousand, five hundred nineteen".