Base | Representation |
---|---|
bin | 100110111100… |
… | …101100100001 |
3 | 201012201121011 |
4 | 212330230201 |
5 | 10103210311 |
6 | 1002500521 |
7 | 152533000 |
oct | 46745441 |
9 | 21181534 |
10 | 10210081 |
11 | 5843a92 |
12 | 3504741 |
13 | 216638b |
14 | 14dac37 |
15 | d6a321 |
hex | 9bcb21 |
10210081 has 24 divisors (see below), whose sum is σ = 12771200. Its totient is φ = 8156736.
The previous prime is 10210069. The next prime is 10210097. The reversal of 10210081 is 18001201.
10210081 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-10210081 is a prime.
It is a super-2 number, since 2×102100812 = 208491508053122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10210061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99076 + ... + 99178.
Almost surely, 210210081 is an apocalyptic number.
It is an amenable number.
10210081 is a deficient number, since it is larger than the sum of its proper divisors (2561119).
10210081 is an equidigital number, since it uses as much as digits as its factorization.
10210081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158 (or 127 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 10210081 is about 3195.3217365392. The cubic root of 10210081 is about 216.9417117119.
Adding to 10210081 its reverse (18001201), we get a palindrome (28211282).
The spelling of 10210081 in words is "ten million, two hundred ten thousand, eighty-one".
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