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80028250075 = 5247255126699
BaseRepresentation
bin100101010001000001…
…1100010111111011011
321122120022021022211001
41022202003202333123
52302344213000300
6100433043045431
75532113621224
oct1124203427733
9248508238731
1080028250075
1130a37951854
1213615370877
137714c46437
143c3281024b
152135bee16a
hex12a20e2fdb

80028250075 has 24 divisors (see below), whose sum is σ = 101389939200. Its totient is φ = 62633508000.

The previous prime is 80028250067. The next prime is 80028250079. The reversal of 80028250075 is 57005282008.

It is not a de Polignac number, because 80028250075 - 23 = 80028250067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80028250079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2984076 + ... + 3010774.

It is an arithmetic number, because the mean of its divisors is an integer number (4224580800).

Almost surely, 280028250075 is an apocalyptic number.

80028250075 is a deficient number, since it is larger than the sum of its proper divisors (21361689125).

80028250075 is a wasteful number, since it uses less digits than its factorization.

80028250075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29307 (or 29302 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 80028250075 in words is "eighty billion, twenty-eight million, two hundred fifty thousand, seventy-five".

Divisors: 1 5 25 47 235 1175 2551 12755 26699 63775 119897 133495 599485 667475 1254853 2997425 6274265 31371325 68109149 340545745 1702728725 3201130003 16005650015 80028250075