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80026030005 = 3511234750729
BaseRepresentation
bin100101010000111101…
…1000100111110110101
321122120011002112110020
41022201323010332311
52302343130430010
6100432523315353
75532056013555
oct1124173047665
9248504075406
1080026030005
1130a36675889
121361467bb59
137714649a9c
143c323d3165
152135911470
hex12a1ec4fb5

80026030005 has 16 divisors (see below), whose sum is σ = 128155692480. Its totient is φ = 42642534528.

The previous prime is 80026030001. The next prime is 80026030087. The reversal of 80026030005 is 50003062008.

It is not a de Polignac number, because 80026030005 - 22 = 80026030001 is a prime.

It is a super-2 number, since 2×800260300052 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80026030001) 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, 2358520 + ... + 2392209.

It is an arithmetic number, because the mean of its divisors is an integer number (8009730780).

Almost surely, 280026030005 is an apocalyptic number.

It is an amenable number.

80026030005 is a deficient number, since it is larger than the sum of its proper divisors (48129662475).

80026030005 is a wasteful number, since it uses less digits than its factorization.

80026030005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751860.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 80026030005 in words is "eighty billion, twenty-six million, thirty thousand, five".

Divisors: 1 3 5 15 1123 3369 5615 16845 4750729 14252187 23753645 71260935 5335068667 16005206001 26675343335 80026030005