Base | Representation |
---|---|
bin | 11011101111011110101011… |
… | …111110010010100001101100 |
3 | 121000000001012011022002222121 |
4 | 123233132223332102201230 |
5 | 111443003010412211340 |
6 | 1111254344023122324 |
7 | 34461635031443443 |
oct | 3357365376224154 |
9 | 530001164262877 |
10 | 122010021210220 |
11 | 359701831a6610 |
12 | 118264392a33a4 |
13 | 5310659b96720 |
14 | 221b460803d5a |
15 | e18b622d094a |
hex | 6ef7abf9286c |
122010021210220 has 192 divisors, whose sum is σ = 302496516306432. Its totient is φ = 40752907776000.
The previous prime is 122010021210199. The next prime is 122010021210257. The reversal of 122010021210220 is 22012120010221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 122010021210194 and 122010021210203.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4065495015 + ... + 4065525025.
It is an arithmetic number, because the mean of its divisors is an integer number (1575502689096).
Almost surely, 2122010021210220 is an apocalyptic number.
122010021210220 is a gapful number since it is divisible by the number (10) 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 122010021210220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151248258153216).
122010021210220 is an abundant number, since it is smaller than the sum of its proper divisors (180486495096212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122010021210220 is a wasteful number, since it uses less digits than its factorization.
122010021210220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36992 (or 36990 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122010021210220 its reverse (22012120010221), we get a palindrome (144022141220441).
The spelling of 122010021210220 in words is "one hundred twenty-two trillion, ten billion, twenty-one million, two hundred ten thousand, two hundred twenty".
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