Base | Representation |
---|---|
bin | 1000001011111000010101… |
… | …11000111001111011011110 |
3 | 2100201211011011122120020202 |
4 | 10011330022320321323132 |
5 | 4324404300000031123 |
6 | 102141133145343502 |
7 | 3535325313550061 |
oct | 405741270717336 |
9 | 70654134576222 |
10 | 18000390627038 |
11 | 580aa17270116 |
12 | 202871a497b92 |
13 | a0757795b931 |
14 | 46331b6128d8 |
15 | 213371319a28 |
hex | 105f0ae39ede |
18000390627038 has 16 divisors (see below), whose sum is σ = 27871094633184. Its totient is φ = 8712495277920.
The previous prime is 18000390627029. The next prime is 18000390627061. The reversal of 18000390627038 is 83072609300081.
It is a junction number, because it is equal to n+sod(n) for n = 18000390626983 and 18000390627001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617367458 + ... + 617396613.
It is an arithmetic number, because the mean of its divisors is an integer number (1741943414574).
Almost surely, 218000390627038 is an apocalyptic number.
18000390627038 is a deficient number, since it is larger than the sum of its proper divisors (9870704006146).
18000390627038 is a wasteful number, since it uses less digits than its factorization.
18000390627038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1234764307.
The product of its (nonzero) digits is 435456, while the sum is 47.
The spelling of 18000390627038 in words is "eighteen trillion, three hundred ninety million, six hundred twenty-seven thousand, thirty-eight".
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