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8066799261 = 333171135743
BaseRepresentation
bin1111000001101000…
…11001011010011101
3202211012002212021000
413200310121122131
5113010100034021
63412243300513
7403621443123
oct74064313235
922735085230
108066799261
11346a552754
12169167a739
139b7330b01
145674d5913
153232e2b26
hex1e0d1969d

8066799261 has 32 divisors (see below), whose sum is σ = 12510167040. Its totient is φ = 5131047600.

The previous prime is 8066799203. The next prime is 8066799289. The reversal of 8066799261 is 1629976608.

It is not a de Polignac number, because 8066799261 - 230 = 6993057437 is a prime.

It is a super-2 number, since 2×80667992612 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8066799198 and 8066799207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8066789261) 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 31 ways as a sum of consecutive naturals, for example, 8445 + ... + 127298.

It is an arithmetic number, because the mean of its divisors is an integer number (390942720).

Almost surely, 28066799261 is an apocalyptic number.

It is an amenable number.

8066799261 is a deficient number, since it is larger than the sum of its proper divisors (4443367779).

8066799261 is a wasteful number, since it uses less digits than its factorization.

8066799261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135854 (or 135848 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 8066799261 is about 89815.3620546062. The cubic root of 8066799261 is about 2005.5511830117.

The spelling of 8066799261 in words is "eight billion, sixty-six million, seven hundred ninety-nine thousand, two hundred sixty-one".

Divisors: 1 3 9 27 31 71 93 213 279 639 837 1917 2201 6603 19809 59427 135743 407229 1221687 3665061 4208033 9637753 12624099 28913259 37872297 86739777 113616891 260219331 298770343 896311029 2688933087 8066799261