Base | Representation |
---|---|
bin | 101111001000010110… |
… | …1111110101100101010 |
3 | 100200020122122111202020 |
4 | 1132100231332230222 |
5 | 3124240312021302 |
6 | 114255105045310 |
7 | 10212063451122 |
oct | 1362055765452 |
9 | 320218574666 |
10 | 101212220202 |
11 | 39a18729085 |
12 | 17747926836 |
13 | 970c9c21c2 |
14 | 4c82051c82 |
15 | 297588aebc |
hex | 1790b7eb2a |
101212220202 has 16 divisors (see below), whose sum is σ = 213078358560. Its totient is φ = 31961753712.
The previous prime is 101212220201. The next prime is 101212220243. The reversal of 101212220202 is 202022212101.
It is not an unprimeable number, because it can be changed into a prime (101212220201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443913133 + ... + 443913360.
It is an arithmetic number, because the mean of its divisors is an integer number (13317397410).
Almost surely, 2101212220202 is an apocalyptic number.
101212220202 is an abundant number, since it is smaller than the sum of its proper divisors (111866138358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101212220202 is a wasteful number, since it uses less digits than its factorization.
101212220202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 887826517.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 101212220202 its reverse (202022212101), we get a palindrome (303234432303).
The spelling of 101212220202 in words is "one hundred one billion, two hundred twelve million, two hundred twenty thousand, two hundred two".
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