Base | Representation |
---|---|
bin | 111000111010001100… |
… | …1110010000100010100 |
3 | 102200110011102212002010 |
4 | 1301310121302010110 |
5 | 4000242233000040 |
6 | 132050551144220 |
7 | 11554345601025 |
oct | 1616431620424 |
9 | 380404385063 |
10 | 122212000020 |
11 | 47914540510 |
12 | 1b828675070 |
13 | b6a855aa16 |
14 | 5cb5028c4c |
15 | 32a4292e80 |
hex | 1c74672114 |
122212000020 has 96 divisors (see below), whose sum is σ = 375364918656. Its totient is φ = 29463436800.
The previous prime is 122212000003. The next prime is 122212000033. The reversal of 122212000020 is 20000212221.
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 392059 + ... + 630978.
It is an arithmetic number, because the mean of its divisors is an integer number (3910051236).
Almost surely, 2122212000020 is an apocalyptic number.
122212000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122212000020 is an abundant number, since it is smaller than the sum of its proper divisors (253152918636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122212000020 is a wasteful number, since it uses less digits than its factorization.
122212000020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1023241 (or 1023239 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 122212000020 its reverse (20000212221), we get a palindrome (142212212241).
The spelling of 122212000020 in words is "one hundred twenty-two billion, two hundred twelve million, twenty", and thus it is an aban number.
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