Base | Representation |
---|---|
bin | 100111100101100000… |
… | …1111001010010101001 |
3 | 22010102112112111000000 |
4 | 1033023001321102221 |
5 | 2343100211302111 |
6 | 103015305133213 |
7 | 6066433414314 |
oct | 1171301712251 |
9 | 263375474000 |
10 | 85010650281 |
11 | 33064328877 |
12 | 14585a8a209 |
13 | 802a25223b |
14 | 418640d97b |
15 | 232832ac56 |
hex | 13cb0794a9 |
85010650281 has 56 divisors (see below), whose sum is σ = 131151116096. Its totient is φ = 55046265120.
The previous prime is 85010650259. The next prime is 85010650331. The reversal of 85010650281 is 18205601058.
It is not a de Polignac number, because 85010650281 - 221 = 85008553129 is a prime.
It is a super-2 number, since 2×850106502812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85010650981) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5666316 + ... + 5681298.
It is an arithmetic number, because the mean of its divisors is an integer number (2341984216).
Almost surely, 285010650281 is an apocalyptic number.
85010650281 is a gapful number since it is divisible by the number (81) formed by its first and last digit.
It is an amenable number.
85010650281 is a deficient number, since it is larger than the sum of its proper divisors (46140465815).
85010650281 is a wasteful number, since it uses less digits than its factorization.
85010650281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15225 (or 15210 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 36.
The spelling of 85010650281 in words is "eighty-five billion, ten million, six hundred fifty thousand, two hundred eighty-one".
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