Base | Representation |
---|---|
bin | 100111101101010000… |
… | …1001011000000010101 |
3 | 22011002122111121010222 |
4 | 1033122201023000111 |
5 | 2344113222220131 |
6 | 103101150524125 |
7 | 6106040232542 |
oct | 1173241130025 |
9 | 264078447128 |
10 | 85270507541 |
11 | 33187a8443a |
12 | 14638b06645 |
13 | 806c03652b |
14 | 41acb33bc9 |
15 | 234105a87b |
hex | 13da84b015 |
85270507541 has 4 divisors (see below), whose sum is σ = 88210869900. Its totient is φ = 82330145184.
The previous prime is 85270507481. The next prime is 85270507547. The reversal of 85270507541 is 14570507258.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 66972264100 + 18298243441 = 258790^2 + 135271^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-85270507541 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 85270507492 and 85270507501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85270507547) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470181136 + ... + 1470181193.
It is an arithmetic number, because the mean of its divisors is an integer number (22052717475).
Almost surely, 285270507541 is an apocalyptic number.
It is an amenable number.
85270507541 is a deficient number, since it is larger than the sum of its proper divisors (2940362359).
85270507541 is a wasteful number, since it uses less digits than its factorization.
85270507541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2940362358.
The product of its (nonzero) digits is 392000, while the sum is 44.
The spelling of 85270507541 in words is "eighty-five billion, two hundred seventy million, five hundred seven thousand, five hundred forty-one".
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