Base | Representation |
---|---|
bin | 101000000000111010… |
… | …1111000010111011101 |
3 | 22012210121220212102122 |
4 | 1100001311320113131 |
5 | 2401441120411040 |
6 | 103250435232325 |
7 | 6131301024224 |
oct | 1200165702735 |
9 | 265717825378 |
10 | 85930247645 |
11 | 334964259a0 |
12 | 147a1a486a5 |
13 | 814591a9a8 |
14 | 42325cbcbb |
15 | 237de291b5 |
hex | 1401d785dd |
85930247645 has 32 divisors (see below), whose sum is σ = 113592723840. Its totient is φ = 61884656640.
The previous prime is 85930247581. The next prime is 85930247677. The reversal of 85930247645 is 54674203958.
It is not a de Polignac number, because 85930247645 - 26 = 85930247581 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3067874 + ... + 3095756.
It is an arithmetic number, because the mean of its divisors is an integer number (3549772620).
Almost surely, 285930247645 is an apocalyptic number.
It is an amenable number.
85930247645 is a deficient number, since it is larger than the sum of its proper divisors (27662476195).
85930247645 is a wasteful number, since it uses less digits than its factorization.
85930247645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28445.
The product of its (nonzero) digits is 7257600, while the sum is 53.
The spelling of 85930247645 in words is "eighty-five billion, nine hundred thirty million, two hundred forty-seven thousand, six hundred forty-five".
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