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2012011022 = 274313992389
BaseRepresentation
bin111011111101100…
…1101101000001110
312012012221202020202
41313323031220032
513110033323042
6531352213502
7100600545230
oct16773155016
95165852222
102012011022
1194280072a
1248199a292
13260ac1388
14151304250
15bb986632
hex77ecda0e

2012011022 has 32 divisors (see below), whose sum is σ = 3533376000. Its totient is φ = 841282848.

The previous prime is 2012011021. The next prime is 2012011037. The reversal of 2012011022 is 2201102102.

It is a happy number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 2012010994 and 2012011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012011021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841004 + ... + 843392.

It is an arithmetic number, because the mean of its divisors is an integer number (110418000).

Almost surely, 22012011022 is an apocalyptic number.

2012011022 is a deficient number, since it is larger than the sum of its proper divisors (1521364978).

2012011022 is a wasteful number, since it uses less digits than its factorization.

2012011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012011022 is about 44855.4458455158. The cubic root of 2012011022 is about 1262.4381743014.

Adding to 2012011022 its reverse (2201102102), we get a palindrome (4213113124).

The spelling of 2012011022 in words is "two billion, twelve million, eleven thousand, twenty-two".

Divisors: 1 2 7 14 43 86 301 602 1399 2389 2798 4778 9793 16723 19586 33446 60157 102727 120314 205454 421099 719089 842198 1438178 3342211 6684422 23395477 46790954 143715073 287430146 1006005511 2012011022