Base | Representation |
---|---|
bin | 100111100111101111… |
… | …1110100010100001001 |
3 | 22010121202120110220122 |
4 | 1033033133310110021 |
5 | 2343223403244311 |
6 | 103030543433025 |
7 | 6101333456513 |
oct | 1171737642411 |
9 | 263552513818 |
10 | 85085603081 |
11 | 330a2671a36 |
12 | 145a6bb5775 |
13 | 803c9361cb |
14 | 4192360bb3 |
15 | 232ebd40db |
hex | 13cf7f4509 |
85085603081 has 8 divisors (see below), whose sum is σ = 88846968960. Its totient is φ = 81329403232.
The previous prime is 85085603047. The next prime is 85085603089. The reversal of 85085603081 is 18030658058.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85085603081 - 26 = 85085603017 is a prime.
It is a super-2 number, since 2×850856030812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85085603089) 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, 1257821 + ... + 1323738.
It is an arithmetic number, because the mean of its divisors is an integer number (11105871120).
Almost surely, 285085603081 is an apocalyptic number.
It is an amenable number.
85085603081 is a deficient number, since it is larger than the sum of its proper divisors (3761365879).
85085603081 is a wasteful number, since it uses less digits than its factorization.
85085603081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2583015.
The product of its (nonzero) digits is 230400, while the sum is 44.
The spelling of 85085603081 in words is "eighty-five billion, eighty-five million, six hundred three thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •