Base | Representation |
---|---|
bin | 110010010000101100010111… |
… | …011011001101000100001101 |
3 | 1001222200010022222010210100201 |
4 | 302100230113123031010031 |
5 | 212433133311024034410 |
6 | 2102044420555253501 |
7 | 64363204024245211 |
oct | 6220542733150415 |
9 | 1058603288123321 |
10 | 221049474830605 |
11 | 64484612880833 |
12 | 20960a51a4a291 |
13 | 9645b50852a35 |
14 | 3c82bccd90941 |
15 | 1a8500dd9583a |
hex | c90b176cd10d |
221049474830605 has 8 divisors (see below), whose sum is σ = 265982147373312. Its totient is φ = 176357728146768.
The previous prime is 221049474830579. The next prime is 221049474830617. The reversal of 221049474830605 is 506038474940122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 221049474830605 - 25 = 221049474830573 is a prime.
It is a super-3 number, since 3×2210494748306053 (a number of 44 digits) contains 333 as substring.
It is a Duffinian number.
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, 60231462697 + ... + 60231466366.
It is an arithmetic number, because the mean of its divisors is an integer number (33247768421664).
It is a 1-persistent number, because it is pandigital, but 2⋅221049474830605 = 442098949661210 is not.
Almost surely, 2221049474830605 is an apocalyptic number.
It is an amenable number.
221049474830605 is a deficient number, since it is larger than the sum of its proper divisors (44932672542707).
221049474830605 is a wasteful number, since it uses less digits than its factorization.
221049474830605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120462929435.
The product of its (nonzero) digits is 11612160, while the sum is 55.
The spelling of 221049474830605 in words is "two hundred twenty-one trillion, forty-nine billion, four hundred seventy-four million, eight hundred thirty thousand, six hundred five".
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