Base | Representation |
---|---|
bin | 1100110000111011100… |
… | …0100101101011000100 |
3 | 202222000220120001012221 |
4 | 3030032320211223010 |
5 | 12043103010004432 |
6 | 244424123022124 |
7 | 21562200101611 |
oct | 3141670455304 |
9 | 688026501187 |
10 | 219293047492 |
11 | 85002232352 |
12 | 3660096a944 |
13 | 178aa3c1ccc |
14 | a88453d508 |
15 | 5a870e7b97 |
hex | 330ee25ac4 |
219293047492 has 12 divisors (see below), whose sum is σ = 387562465836. Its totient is φ = 108560914400.
The previous prime is 219293047481. The next prime is 219293047513. The reversal of 219293047492 is 294740392912.
It can be written as a sum of positive squares in 2 ways, for example, as 105680907396 + 113612140096 = 325086^2 + 337064^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271401883 + ... + 271402690.
It is an arithmetic number, because the mean of its divisors is an integer number (32296872153).
Almost surely, 2219293047492 is an apocalyptic number.
It is an amenable number.
219293047492 is a deficient number, since it is larger than the sum of its proper divisors (168269418344).
219293047492 is a wasteful number, since it uses less digits than its factorization.
219293047492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 542804678 (or 542804676 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 52.
It can be divided in two parts, 2192930 and 47492, that added together give a palindrome (2240422).
The spelling of 219293047492 in words is "two hundred nineteen billion, two hundred ninety-three million, forty-seven thousand, four hundred ninety-two".
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