Base | Representation |
---|---|
bin | 10010101001010011… |
… | …00011000000001000 |
3 | 221211121210101012012 |
4 | 21110221203000020 |
5 | 131000042041013 |
6 | 4333143235052 |
7 | 503026356011 |
oct | 112451430010 |
9 | 27747711165 |
10 | 10010112008 |
11 | 42774a1346 |
12 | 1b34448a88 |
13 | c36b1b000 |
14 | 6ad636008 |
15 | 3d8c091a8 |
hex | 254a63008 |
10010112008 has 32 divisors (see below), whose sum is σ = 20332363800. Its totient is φ = 4620043584.
The previous prime is 10010112001. The next prime is 10010112031. The reversal of 10010112008 is 80021101001.
It can be written as a sum of positive squares in 4 ways, for example, as 461304484 + 9548807524 = 21478^2 + 97718^2 .
It is a junction number, because it is equal to n+sod(n) for n = 10010111983 and 10010112001.
It is not an unprimeable number, because it can be changed into a prime (10010112001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267191 + ... + 302342.
Almost surely, 210010112008 is an apocalyptic number.
It is an amenable number.
10010112008 is an abundant number, since it is smaller than the sum of its proper divisors (10322251792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10010112008 is an equidigital number, since it uses as much as digits as its factorization.
10010112008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 569578 (or 569548 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 10010112008 its reverse (80021101001), we get a palindrome (90031213009).
The spelling of 10010112008 in words is "ten billion, ten million, one hundred twelve thousand, eight".
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