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15240028871 is a prime number
BaseRepresentation
bin11100011000110000…
…00110001011000111
31110100002210200101202
432030120012023013
5222202421410441
611000130413115
71046443052024
oct161430061307
943302720352
1015240028871
116510665291
122b53a3119b
13158b4aa082
14a4806654b
155e2e2919b
hex38c6062c7

15240028871 has 2 divisors, whose sum is σ = 15240028872. Its totient is φ = 15240028870.

The previous prime is 15240028847. The next prime is 15240028889. The reversal of 15240028871 is 17882004251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15240028871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15240528871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7620014435 + 7620014436.

It is an arithmetic number, because the mean of its divisors is an integer number (7620014436).

Almost surely, 215240028871 is an apocalyptic number.

15240028871 is a deficient number, since it is larger than the sum of its proper divisors (1).

15240028871 is an equidigital number, since it uses as much as digits as its factorization.

15240028871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 15240028871 in words is "fifteen billion, two hundred forty million, twenty-eight thousand, eight hundred seventy-one".