Base | Representation |
---|---|
bin | 1000000111111000… |
… | …0010000000011100 |
3 | 12121222000222212112 |
4 | 2001332002000130 |
5 | 13431203201022 |
6 | 1000212053152 |
7 | 105015063014 |
oct | 20176020034 |
9 | 5558028775 |
10 | 2180522012 |
11 | a19936509 |
12 | 50a3041b8 |
13 | 2899a1a16 |
14 | 16984ac44 |
15 | cb6708e2 |
hex | 81f8201c |
2180522012 has 24 divisors (see below), whose sum is σ = 3834701136. Its totient is φ = 1084906368.
The previous prime is 2180521991. The next prime is 2180522033. The reversal of 2180522012 is 2102250812.
It is an interprime number because it is at equal distance from previous prime (2180521991) and next prime (2180522033).
It is a congruent number.
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, 984218 + ... + 986430.
It is an arithmetic number, because the mean of its divisors is an integer number (159779214).
Almost surely, 22180522012 is an apocalyptic number.
It is an amenable number.
2180522012 is a deficient number, since it is larger than the sum of its proper divisors (1654179124).
2180522012 is a wasteful number, since it uses less digits than its factorization.
2180522012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3317 (or 3315 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 2180522012 is about 46696.0599194407. The cubic root of 2180522012 is about 1296.7417442389.
Adding to 2180522012 its reverse (2102250812), we get a palindrome (4282772824).
The spelling of 2180522012 in words is "two billion, one hundred eighty million, five hundred twenty-two thousand, twelve".
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