Base | Representation |
---|---|
bin | 100111101101010001… |
… | …0010110001101100100 |
3 | 22011002200002020201010 |
4 | 1033122202112031210 |
5 | 2344113312044323 |
6 | 103101201302220 |
7 | 6106042654620 |
oct | 1173242261544 |
9 | 264080066633 |
10 | 85270815588 |
11 | 33188174922 |
12 | 14639034970 |
13 | 806c1137ca |
14 | 41acbb4180 |
15 | 23410bbc93 |
hex | 13da896364 |
85270815588 has 96 divisors (see below), whose sum is σ = 231120547840. Its totient is φ = 23966409600.
The previous prime is 85270815587. The next prime is 85270815653. The reversal of 85270815588 is 88551807258.
It is a super-2 number, since 2×852708155882 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (85270815587) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1273818 + ... + 1339086.
Almost surely, 285270815588 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85270815588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115560273920).
85270815588 is an abundant number, since it is smaller than the sum of its proper divisors (145849732252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85270815588 is a wasteful number, since it uses less digits than its factorization.
85270815588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65537 (or 65535 counting only the distinct ones).
The product of its (nonzero) digits is 7168000, while the sum is 57.
The spelling of 85270815588 in words is "eighty-five billion, two hundred seventy million, eight hundred fifteen thousand, five hundred eighty-eight".
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