Base | Representation |
---|---|
bin | 111011111101100… |
… | …1101011001101010 |
3 | 12012012221200222020 |
4 | 1313323031121222 |
5 | 13110033310330 |
6 | 531352205310 |
7 | 100600542426 |
oct | 16773153152 |
9 | 5165850866 |
10 | 2012010090 |
11 | 9427aaa62 |
12 | 481999836 |
13 | 260ac0b1c |
14 | 151303b86 |
15 | bb986210 |
hex | 77ecd66a |
2012010090 has 32 divisors (see below), whose sum is σ = 4832265600. Its totient is φ = 536153664.
The previous prime is 2012010089. The next prime is 2012010101. The reversal of 2012010090 is 900102102.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a nialpdrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20236 + ... + 66584.
It is an arithmetic number, because the mean of its divisors is an integer number (151008300).
Almost surely, 22012010090 is an apocalyptic number.
2012010090 is an abundant number, since it is smaller than the sum of its proper divisors (2820255510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2012010090 is a wasteful number, since it uses less digits than its factorization.
2012010090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47806.
The product of its (nonzero) digits is 36, while the sum is 15.
The square root of 2012010090 is about 44855.4354565865. The cubic root of 2012010090 is about 1262.4379793733.
Adding to 2012010090 its reverse (900102102), we get a palindrome (2912112192).
The spelling of 2012010090 in words is "two billion, twelve million, ten thousand, ninety".
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