Base | Representation |
---|---|
bin | 111000111010001111… |
… | …0101111111100000100 |
3 | 102200110020220000002100 |
4 | 1301310132233330010 |
5 | 4000243101131040 |
6 | 132051035112100 |
7 | 11554362632655 |
oct | 1616436577404 |
9 | 380406800070 |
10 | 122213302020 |
11 | 4791524a747 |
12 | 1b828ba2630 |
13 | b6a88c5534 |
14 | 5cb528752c |
15 | 32a444db30 |
hex | 1c747aff04 |
122213302020 has 72 divisors (see below), whose sum is σ = 372654696960. Its totient is φ = 32419575360.
The previous prime is 122213302009. The next prime is 122213302069. The reversal of 122213302020 is 20203312221.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 122213301984 and 122213302002.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1743010 + ... + 1811769.
It is an arithmetic number, because the mean of its divisors is an integer number (5175759680).
Almost surely, 2122213302020 is an apocalyptic number.
122213302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122213302020 is an abundant number, since it is smaller than the sum of its proper divisors (250441394940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122213302020 is a wasteful number, since it uses less digits than its factorization.
122213302020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3554985 (or 3554980 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 122213302020 its reverse (20203312221), we get a palindrome (142416614241).
The spelling of 122213302020 in words is "one hundred twenty-two billion, two hundred thirteen million, three hundred two thousand, twenty".
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