Base | Representation |
---|---|
bin | 1010001001010111110000… |
… | …00101100000110010100100 |
3 | 2221000000202010201002011120 |
4 | 11010223320011200302210 |
5 | 10411030412404030040 |
6 | 115242032103133540 |
7 | 4462001445365460 |
oct | 504537005406244 |
9 | 87000663632146 |
10 | 22312222330020 |
11 | 7122618910607 |
12 | 26043121442b0 |
13 | c5b0588b363c |
14 | 571cbb1c34a0 |
15 | 28a5d355d7d0 |
hex | 144af8160ca4 |
22312222330020 has 192 divisors, whose sum is σ = 73718395699200. Its totient is φ = 4934345195520.
The previous prime is 22312222330019. The next prime is 22312222330037. The reversal of 22312222330020 is 2003322221322.
It is a super-3 number, since 3×223122223300203 (a number of 41 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60215076 + ... + 60584484.
It is an arithmetic number, because the mean of its divisors is an integer number (383949977600).
Almost surely, 222312222330020 is an apocalyptic number.
22312222330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22312222330020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36859197849600).
22312222330020 is an abundant number, since it is smaller than the sum of its proper divisors (51406173369180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22312222330020 is a wasteful number, since it uses less digits than its factorization.
22312222330020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374098 (or 374096 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 22312222330020 its reverse (2003322221322), we get a palindrome (24315544551342).
The spelling of 22312222330020 in words is "twenty-two trillion, three hundred twelve billion, two hundred twenty-two million, three hundred thirty thousand, twenty".
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