Base | Representation |
---|---|
bin | 111000111010001101… |
… | …0001010111110000100 |
3 | 102200110011122000222220 |
4 | 1301310122022332010 |
5 | 4000242244231040 |
6 | 132050553252340 |
7 | 11554346504301 |
oct | 1616432127604 |
9 | 380404560886 |
10 | 122212102020 |
11 | 47914600108 |
12 | 1b8287040b0 |
13 | b6a8595288 |
14 | 5cb50540a8 |
15 | 32a42b32d0 |
hex | 1c7468af84 |
122212102020 has 48 divisors (see below), whose sum is σ = 342525321600. Its totient is φ = 32558328576.
The previous prime is 122212102003. The next prime is 122212102037. The reversal of 122212102020 is 20201212221.
It is an interprime number because it is at equal distance from previous prime (122212102003) and next prime (122212102037).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923920 + ... + 1047879.
It is an arithmetic number, because the mean of its divisors is an integer number (7135944200).
Almost surely, 2122212102020 is an apocalyptic number.
122212102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122212102020 is an abundant number, since it is smaller than the sum of its proper divisors (220313219580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122212102020 is a wasteful number, since it uses less digits than its factorization.
122212102020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1972844 (or 1972842 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 122212102020 its reverse (20201212221), we get a palindrome (142413314241).
The spelling of 122212102020 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred two thousand, twenty".
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