Base | Representation |
---|---|
bin | 100111110000110000… |
… | …1000111111110010001 |
3 | 22011101211110120012120 |
4 | 1033201201013332101 |
5 | 2344333302420013 |
6 | 103120543444453 |
7 | 6111664322520 |
oct | 1174141077621 |
9 | 264354416176 |
10 | 85387935633 |
11 | 33238299950 |
12 | 146702b6729 |
13 | 808a46c900 |
14 | 41c05804b7 |
15 | 234b504123 |
hex | 13e1847f91 |
85387935633 has 48 divisors (see below), whose sum is σ = 153702291456. Its totient is φ = 40945245120.
The previous prime is 85387935613. The next prime is 85387935649. The reversal of 85387935633 is 33653978358.
It is not a de Polignac number, because 85387935633 - 25 = 85387935601 is a prime.
It is a super-2 number, since 2×853879356332 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (85387935613) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1054585 + ... + 1132662.
It is an arithmetic number, because the mean of its divisors is an integer number (3202131072).
Almost surely, 285387935633 is an apocalyptic number.
It is an amenable number.
85387935633 is a deficient number, since it is larger than the sum of its proper divisors (68314355823).
85387935633 is a wasteful number, since it uses less digits than its factorization.
85387935633 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2187294 (or 2187281 counting only the distinct ones).
The product of its digits is 48988800, while the sum is 60.
The spelling of 85387935633 in words is "eighty-five billion, three hundred eighty-seven million, nine hundred thirty-five thousand, six hundred thirty-three".
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