Base | Representation |
---|---|
bin | 101110001010… |
… | …000110101010 |
3 | 211202202002112 |
4 | 232022012222 |
5 | 11044200020 |
6 | 1111202322 |
7 | 204563666 |
oct | 56120652 |
9 | 24682075 |
10 | 12100010 |
11 | 6914a0a |
12 | 40763a2 |
13 | 2678690 |
14 | 186d8a6 |
15 | 10e02c5 |
hex | b8a1aa |
12100010 has 16 divisors (see below), whose sum is σ = 23455656. Its totient is φ = 4467648.
The previous prime is 12100003. The next prime is 12100057. The reversal of 12100010 is 1000121.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5230369 + 6869641 = 2287^2 + 2621^2 .
It is a Harshad number since it is a multiple of its sum of digits (5).
It is a junction number, because it is equal to n+sod(n) for n = 12099967 and 12100003.
It is an unprimeable number.
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, 46409 + ... + 46668.
Almost surely, 212100010 is an apocalyptic number.
12100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12100010 is a deficient number, since it is larger than the sum of its proper divisors (11355646).
12100010 is a wasteful number, since it uses less digits than its factorization.
12100010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93097.
The product of its (nonzero) digits is 2, while the sum is 5.
The square root of 12100010 is about 3478.5068635839. The cubic root of 12100010 is about 229.5771057109.
Adding to 12100010 its reverse (1000121), we get a palindrome (13100131).
The spelling of 12100010 in words is "twelve million, one hundred thousand, ten".
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