Base | Representation |
---|---|
bin | 100111111111100010… |
… | …0010011101110111101 |
3 | 22012200101022220110202 |
4 | 1033333010103232331 |
5 | 2401342211314414 |
6 | 103242053413245 |
7 | 6130164250256 |
oct | 1177704235675 |
9 | 265611286422 |
10 | 85883698109 |
11 | 33472121600 |
12 | 1478a33a225 |
13 | 813909cca1 |
14 | 422a351b2d |
15 | 2379cd19de |
hex | 13ff113bbd |
85883698109 has 12 divisors (see below), whose sum is σ = 94434466140. Its totient is φ = 78048484800.
The previous prime is 85883698091. The next prime is 85883698111. The reversal of 85883698109 is 90189638858.
It can be written as a sum of positive squares in 2 ways, for example, as 55791857209 + 30091840900 = 236203^2 + 173470^2 .
It is not a de Polignac number, because 85883698109 - 220 = 85882649533 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85883691109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222137 + ... + 470225.
It is an arithmetic number, because the mean of its divisors is an integer number (7869538845).
Almost surely, 285883698109 is an apocalyptic number.
It is an amenable number.
85883698109 is a deficient number, since it is larger than the sum of its proper divisors (8550768031).
85883698109 is a wasteful number, since it uses less digits than its factorization.
85883698109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250972 (or 250961 counting only the distinct ones).
The product of its (nonzero) digits is 29859840, while the sum is 65.
The spelling of 85883698109 in words is "eighty-five billion, eight hundred eighty-three million, six hundred ninety-eight thousand, one hundred nine".
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