Base | Representation |
---|---|
bin | 10010110010001110… |
… | …10101110100010011 |
3 | 222000211202122222121 |
4 | 21121013111310103 |
5 | 131123231444222 |
6 | 4344421115111 |
7 | 504626231200 |
oct | 113107256423 |
9 | 28024678877 |
10 | 10085031187 |
11 | 4305812220 |
12 | 1b55558a97 |
13 | c494bc89a |
14 | 6b9578ca7 |
15 | 3e05a75c7 |
hex | 2591d5d13 |
10085031187 has 24 divisors (see below), whose sum is σ = 13095732672. Its totient is φ = 7675693200.
The previous prime is 10085031169. The next prime is 10085031287. The reversal of 10085031187 is 78113058001.
10085031187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-10085031187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10085031287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194389 + ... + 240742.
It is an arithmetic number, because the mean of its divisors is an integer number (545655528).
Almost surely, 210085031187 is an apocalyptic number.
10085031187 is a deficient number, since it is larger than the sum of its proper divisors (3010701485).
10085031187 is a wasteful number, since it uses less digits than its factorization.
10085031187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435199 (or 435192 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 34.
Adding to 10085031187 its reverse (78113058001), we get a palindrome (88198089188).
The spelling of 10085031187 in words is "ten billion, eighty-five million, thirty-one thousand, one hundred eighty-seven".
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