Base | Representation |
---|---|
bin | 1000010001011001100001… |
… | …01011100011000011000100 |
3 | 2101101221120121012100000000 |
4 | 10020230300223203003010 |
5 | 4341011111311030201 |
6 | 102404212213321300 |
7 | 3555120144161400 |
oct | 410546053430304 |
9 | 71357517170000 |
10 | 18190003220676 |
11 | 5883378673161 |
12 | 2059417336230 |
13 | a1c404c3b2c1 |
14 | 46c587d28100 |
15 | 21826c8a8d86 |
hex | 108b30ae30c4 |
18190003220676 has 243 divisors, whose sum is σ = 55556423883597. Its totient is φ = 5195761925760.
The previous prime is 18190003220639. The next prime is 18190003220717. The reversal of 18190003220676 is 67602230009181.
The square root of 18190003220676 is 4264974.
It is a perfect power (a square), and thus also a powerful number.
18190003220676 is a `hidden beast` number, since 181 + 90 + 0 + 0 + 322 + 0 + 67 + 6 = 666.
It can be written as a sum of positive squares in only one way, i.e., 8108108180676 + 10081895040000 = 2847474^2 + 3175200^2 .
It is a tau number, because it is divible by the number of its divisors (243).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4836478636 + ... + 4836482396.
Almost surely, 218190003220676 is an apocalyptic number.
18190003220676 is the 4264974-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18190003220676
18190003220676 is an abundant number, since it is smaller than the sum of its proper divisors (37366420662921).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18190003220676 is an frugal number, since it uses more digits than its factorization.
18190003220676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7564 (or 3773 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The spelling of 18190003220676 in words is "eighteen trillion, one hundred ninety billion, three million, two hundred twenty thousand, six hundred seventy-six".
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