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28419308471 is a prime number
BaseRepresentation
bin11010011101111011…
…000011101110110111
32201100120221110020102
4122131323003232313
5431200320332341
621020004224315
72024154064511
oct323573035667
981316843212
1028419308471
1111063a600a4
12561169b09b
1328aba5ca78
14153853cbb1
15b14e90c9b
hex69dec3bb7

28419308471 has 2 divisors, whose sum is σ = 28419308472. Its totient is φ = 28419308470.

The previous prime is 28419308419. The next prime is 28419308537. The reversal of 28419308471 is 17480391482.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28419308471 is a prime.

It is a super-3 number, since 3×284193084713 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28419308171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14209654235 + 14209654236.

It is an arithmetic number, because the mean of its divisors is an integer number (14209654236).

Almost surely, 228419308471 is an apocalyptic number.

28419308471 is a deficient number, since it is larger than the sum of its proper divisors (1).

28419308471 is an equidigital number, since it uses as much as digits as its factorization.

28419308471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 28419308471 in words is "twenty-eight billion, four hundred nineteen million, three hundred eight thousand, four hundred seventy-one".