Base | Representation |
---|---|
bin | 101101110001… |
… | …111011110010 |
3 | 211120201021212 |
4 | 231301323302 |
5 | 11033013020 |
6 | 1105120122 |
7 | 204002240 |
oct | 55617362 |
9 | 24521255 |
10 | 12001010 |
11 | 685759a |
12 | 4029042 |
13 | 26425b8 |
14 | 1845790 |
15 | 10c0cc5 |
hex | b71ef2 |
12001010 has 32 divisors (see below), whose sum is σ = 24855552. Its totient is φ = 4086720.
The previous prime is 12001001. The next prime is 12001021. The reversal of 12001010 is 1010021.
It is a happy number.
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 = 12000985 and 12001003.
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, 11615 + ... + 12605.
It is an arithmetic number, because the mean of its divisors is an integer number (776736).
Almost surely, 212001010 is an apocalyptic number.
12001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12001010 is an abundant number, since it is smaller than the sum of its proper divisors (12854542).
12001010 is a wasteful number, since it uses less digits than its factorization.
12001010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1178.
The product of its (nonzero) digits is 2, while the sum is 5.
The square root of 12001010 is about 3464.2473930134. The cubic root of 12001010 is about 228.9492714493.
Adding to 12001010 its reverse (1010021), we get a palindrome (13011031).
The spelling of 12001010 in words is "twelve million, one thousand, ten".
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