Base | Representation |
---|---|
bin | 111011111101100… |
… | …1011101010101101 |
3 | 12012012221100020020 |
4 | 1313323023222231 |
5 | 13110033043424 |
6 | 531352112353 |
7 | 100600512633 |
oct | 16773135255 |
9 | 5165840206 |
10 | 2012002989 |
11 | 9427a5697 |
12 | 4819956b9 |
13 | 260aba819 |
14 | 151301353 |
15 | bb984079 |
hex | 77ecbaad |
2012002989 has 8 divisors (see below), whose sum is σ = 2840474880. Its totient is φ = 1262433216.
The previous prime is 2012002969. The next prime is 2012002991. The reversal of 2012002989 is 9892002102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2012002989 - 29 = 2012002477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012002939) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19725469 + ... + 19725570.
It is an arithmetic number, because the mean of its divisors is an integer number (355059360).
Almost surely, 22012002989 is an apocalyptic number.
It is an amenable number.
2012002989 is a deficient number, since it is larger than the sum of its proper divisors (828471891).
2012002989 is a wasteful number, since it uses less digits than its factorization.
2012002989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39451059.
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 2012002989 is about 44855.3563022299. The cubic root of 2012002989 is about 1262.4364941948.
The spelling of 2012002989 in words is "two billion, twelve million, two thousand, nine hundred eighty-nine".
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