Base | Representation |
---|---|
bin | 110010000100011110111001… |
… | …001001001011001010000001 |
3 | 1001212200220110121200112212201 |
4 | 302010132321021023022001 |
5 | 212330411321323020134 |
6 | 2100203125513353201 |
7 | 64245450235413214 |
oct | 6204367111131201 |
9 | 1055626417615781 |
10 | 220210374423169 |
11 | 64190771542229 |
12 | 208462b4a08801 |
13 | 95b4998006c00 |
14 | 3c5434bb0d77b |
15 | 1a6d29d067914 |
hex | c847b924b281 |
220210374423169 has 81 divisors (see below), whose sum is σ = 256710323297883. Its totient is φ = 188775369729024.
The previous prime is 220210374423167. The next prime is 220210374423199. The reversal of 220210374423169 is 961324473012022.
The square root of 220210374423169 is 14839487.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 41418710733169 + 178791663690000 = 6435737^2 + 13371300^2 .
It is not a de Polignac number, because 220210374423169 - 21 = 220210374423167 is a prime.
It is a super-2 number, since 2×2202103744231692 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (220210374423167) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 272200709637 + ... + 272200710445.
Almost surely, 2220210374423169 is an apocalyptic number.
220210374423169 is the 14839487-th square number.
220210374423169 is the 7419744-th centered octagonal number.
It is an amenable number.
220210374423169 is a deficient number, since it is larger than the sum of its proper divisors (36499948874714).
220210374423169 is an frugal number, since it uses more digits than its factorization.
220210374423169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1844 (or 922 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 46.
The spelling of 220210374423169 in words is "two hundred twenty trillion, two hundred ten billion, three hundred seventy-four million, four hundred twenty-three thousand, one hundred sixty-nine".
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