Base | Representation |
---|---|
bin | 111000111001111000… |
… | …1000101010101001100 |
3 | 102200102102100210221222 |
4 | 1301303301011111030 |
5 | 4000232020043040 |
6 | 132045530342512 |
7 | 11554156114046 |
oct | 1616361052514 |
9 | 380372323858 |
10 | 122201331020 |
11 | 4790951375a |
12 | 1b824b8aa38 |
13 | b6a62937c2 |
14 | 5cb384ca96 |
15 | 32a3386bb5 |
hex | 1c73c4554c |
122201331020 has 24 divisors (see below), whose sum is σ = 264900951168. Its totient is φ = 47303740800.
The previous prime is 122201331011. The next prime is 122201331037. The reversal of 122201331020 is 20133102221.
It is a super-2 number, since 2×1222013310202 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 122201331020.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98548841 + ... + 98550080.
It is an arithmetic number, because the mean of its divisors is an integer number (11037539632).
Almost surely, 2122201331020 is an apocalyptic number.
122201331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122201331020 is an abundant number, since it is smaller than the sum of its proper divisors (142699620148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122201331020 is a wasteful number, since it uses less digits than its factorization.
122201331020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197098961 (or 197098959 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 122201331020 its reverse (20133102221), we get a palindrome (142334433241).
The spelling of 122201331020 in words is "one hundred twenty-two billion, two hundred one million, three hundred thirty-one thousand, twenty".
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