Base | Representation |
---|---|
bin | 110010101110111110111101… |
… | …110111000001011101100110 |
3 | 1002021001010012012220011201100 |
4 | 302232332331313001131212 |
5 | 213221234323003442410 |
6 | 2110320551454540530 |
7 | 64666453651354206 |
oct | 6256767567013546 |
9 | 1067033165804640 |
10 | 223131031312230 |
11 | 65107380186348 |
12 | 21038356b07746 |
13 | 9767220828852 |
14 | 3d158571c2406 |
15 | 1abe23bce68c0 |
hex | caefbddc1766 |
223131031312230 has 96 divisors (see below), whose sum is σ = 583437625112160. Its totient is φ = 59163524029440.
The previous prime is 223131031312199. The next prime is 223131031312249. The reversal of 223131031312230 is 32213130131322.
223131031312230 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 310 + 3 + 1 + 312 + 2 + 30 = 666.
It is a super-3 number, since 3×2231310313122303 (a number of 44 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 223131031312194 and 223131031312203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168705700 + ... + 170023160.
It is an arithmetic number, because the mean of its divisors is an integer number (6077475261585).
Almost surely, 2223131031312230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223131031312230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291718812556080).
223131031312230 is an abundant number, since it is smaller than the sum of its proper divisors (360306593799930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223131031312230 is a wasteful number, since it uses less digits than its factorization.
223131031312230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1328166 (or 1328163 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 223131031312230 its reverse (32213130131322), we get a palindrome (255344161443552).
The spelling of 223131031312230 in words is "two hundred twenty-three trillion, one hundred thirty-one billion, thirty-one million, three hundred twelve thousand, two hundred thirty".
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