Base | Representation |
---|---|
bin | 1011111110101101… |
… | …1111101001100101 |
3 | 22022010012002222201 |
4 | 2333223133221211 |
5 | 23041224200320 |
6 | 1251034454501 |
7 | 142456163140 |
oct | 27753375145 |
9 | 8263162881 |
10 | 3215850085 |
11 | 1400299848 |
12 | 758b94431 |
13 | 3c332b096 |
14 | 227153057 |
15 | 13c4ce70a |
hex | bfadfa65 |
3215850085 has 8 divisors (see below), whose sum is σ = 4410308736. Its totient is φ = 2205154320.
The previous prime is 3215850061. The next prime is 3215850137. The reversal of 3215850085 is 5800585123.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3215850085 - 225 = 3182295653 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45940681 + ... + 45940750.
It is an arithmetic number, because the mean of its divisors is an integer number (551288592).
Almost surely, 23215850085 is an apocalyptic number.
3215850085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3215850085 is a deficient number, since it is larger than the sum of its proper divisors (1194458651).
3215850085 is an equidigital number, since it uses as much as digits as its factorization.
3215850085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91881443.
The product of its (nonzero) digits is 48000, while the sum is 37.
The square root of 3215850085 is about 56708.4657260272. The cubic root of 3215850085 is about 1476.0416023029.
The spelling of 3215850085 in words is "three billion, two hundred fifteen million, eight hundred fifty thousand, eighty-five".
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