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80016133 = 2941173389
BaseRepresentation
bin1001100010011…
…11001100000101
312120120020111111
410301033030011
5130441004013
611535005021
71661061121
oct461171405
9176506444
1080016133
114119233a
1222969771
1313767832
14a8ac581
15705873d
hex4c4f305

80016133 has 16 divisors (see below), whose sum is σ = 85503600. Its totient is φ = 74744320.

The previous prime is 80016121. The next prime is 80016169. The reversal of 80016133 is 33161008.

It can be written as a sum of positive squares in 8 ways, for example, as 2259009 + 77757124 = 1503^2 + 8818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80016133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80016113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205503 + ... + 205891.

It is an arithmetic number, because the mean of its divisors is an integer number (5343975).

Almost surely, 280016133 is an apocalyptic number.

It is an amenable number.

80016133 is a deficient number, since it is larger than the sum of its proper divisors (5487467).

80016133 is a wasteful number, since it uses less digits than its factorization.

80016133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 80016133 is about 8945.1737266528. The cubic root of 80016133 is about 430.9159006386.

The spelling of 80016133 in words is "eighty million, sixteen thousand, one hundred thirty-three".

Divisors: 1 29 41 173 389 1189 5017 7093 11281 15949 67297 205697 462521 1951613 2759177 80016133