Base | Representation |
---|---|
bin | 1101001100100110… |
… | …11010111001110001 |
3 | 200021202211011020020 |
4 | 12212103122321301 |
5 | 104002234413311 |
6 | 3131013434053 |
7 | 340401103326 |
oct | 64623327161 |
9 | 20252734206 |
10 | 7085076081 |
11 | 3006382586 |
12 | 145893b929 |
13 | 88bb22915 |
14 | 4b2d84b4d |
15 | 2b7021c06 |
hex | 1a64dae71 |
7085076081 has 8 divisors (see below), whose sum is σ = 9501374400. Its totient is φ = 4696080912.
The previous prime is 7085076067. The next prime is 7085076083. The reversal of 7085076081 is 1806705807.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7085076081 - 27 = 7085075953 is a prime.
It is a super-2 number, since 2×70850760812 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7085076083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6825181 + ... + 6826218.
It is an arithmetic number, because the mean of its divisors is an integer number (1187671800).
Almost surely, 27085076081 is an apocalyptic number.
It is an amenable number.
7085076081 is a deficient number, since it is larger than the sum of its proper divisors (2416298319).
7085076081 is a wasteful number, since it uses less digits than its factorization.
7085076081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13651575.
The product of its (nonzero) digits is 94080, while the sum is 42.
The square root of 7085076081 is about 84172.8939801882. The cubic root of 7085076081 is about 1920.6497440178.
The spelling of 7085076081 in words is "seven billion, eighty-five million, seventy-six thousand, eighty-one".
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