Base | Representation |
---|---|
bin | 110100100001110100000001… |
… | …000010001000110010000110 |
3 | 1010021222111012022111210012220 |
4 | 310201310001002020302012 |
5 | 220240031040341101042 |
6 | 2135202014150553210 |
7 | 66442534565040651 |
oct | 6441640102106206 |
9 | 1107874168453186 |
10 | 231022013222022 |
11 | 67679981806870 |
12 | 21ab1744968806 |
13 | 9bba389497c09 |
14 | 410974cc3a898 |
15 | 1ba962ce708ec |
hex | d21d01088c86 |
231022013222022 has 64 divisors (see below), whose sum is σ = 520554126901248. Its totient is φ = 67716296676000.
The previous prime is 231022013222003. The next prime is 231022013222051. The reversal of 231022013222022 is 220222310220132.
It is a super-2 number, since 2×2310220132220222 (a number of 30 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231022013221983 and 231022013222001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22425088 + ... + 31063299.
It is an arithmetic number, because the mean of its divisors is an integer number (8133658232832).
Almost surely, 2231022013222022 is an apocalyptic number.
231022013222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
231022013222022 is an abundant number, since it is smaller than the sum of its proper divisors (289532113679226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231022013222022 is a wasteful number, since it uses less digits than its factorization.
231022013222022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53490545.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 231022013222022 its reverse (220222310220132), we get a palindrome (451244323442154).
The spelling of 231022013222022 in words is "two hundred thirty-one trillion, twenty-two billion, thirteen million, two hundred twenty-two thousand, twenty-two".
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