Base | Representation |
---|---|
bin | 100111110010101010… |
… | …1100110111001110010 |
3 | 22011120022001122220210 |
4 | 1033211111212321302 |
5 | 2400001204303313 |
6 | 103131153244550 |
7 | 6113403142362 |
oct | 1174525467162 |
9 | 264508048823 |
10 | 85452025458 |
11 | 33270493548 |
12 | 14689863756 |
13 | 809a81c297 |
14 | 41c8ca49a2 |
15 | 2351e639c3 |
hex | 13e5566e72 |
85452025458 has 64 divisors (see below), whose sum is σ = 177191194752. Its totient is φ = 27455500800.
The previous prime is 85452025453. The next prime is 85452025493.
85452025458 is nontrivially palindromic in base 10.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (85452025453) 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, 8150916 + ... + 8161392.
It is an arithmetic number, because the mean of its divisors is an integer number (2768612418).
Almost surely, 285452025458 is an apocalyptic number.
85452025458 is an abundant number, since it is smaller than the sum of its proper divisors (91739169294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85452025458 is a wasteful number, since it uses less digits than its factorization.
85452025458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10939.
The product of its (nonzero) digits is 2560000, while the sum is 48.
It can be divided in two parts, 854520 and 25458, that added together give a palindrome (879978).
The spelling of 85452025458 in words is "eighty-five billion, four hundred fifty-two million, twenty-five thousand, four hundred fifty-eight".
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