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BaseRepresentation
bin100101010010011100…
…0111111101000000001
321122200121202220012200
41022210320333220001
52302443402043200
6100441502343413
75533232125554
oct1124470775001
9248617686180
1080075815425
1130a6178a361
121362928ab69
137721a5b608
143c38c7269b
152139e97800
hex12a4e3fa01

80075815425 has 36 divisors (see below), whose sum is σ = 143891988240. Its totient is φ = 42567953760.

The previous prime is 80075815387. The next prime is 80075815427. The reversal of 80075815425 is 52451857008.

80075815425 is a `hidden beast` number, since 80 + 0 + 75 + 81 + 5 + 425 = 666.

It is not a de Polignac number, because 80075815425 - 26 = 80075815361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80075815427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 510555 + ... + 648704.

Almost surely, 280075815425 is an apocalyptic number.

It is an amenable number.

80075815425 is a deficient number, since it is larger than the sum of its proper divisors (63816172815).

80075815425 is a wasteful number, since it uses less digits than its factorization.

80075815425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159582 (or 1159574 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 80075815425 in words is "eighty billion, seventy-five million, eight hundred fifteen thousand, four hundred twenty-five".