Base | Representation |
---|---|
bin | 101111001000010110… |
… | …1111100101110000110 |
3 | 100200020122122002122020 |
4 | 1132100231330232012 |
5 | 3124240311241402 |
6 | 114255104544010 |
7 | 10212063415401 |
oct | 1362055745606 |
9 | 320218562566 |
10 | 101212212102 |
11 | 39a18722a91 |
12 | 17747922006 |
13 | 970c9bb601 |
14 | 4c8204cd38 |
15 | 29758888bc |
hex | 1790b7cb86 |
101212212102 has 16 divisors (see below), whose sum is σ = 202438517760. Its totient is φ = 33735055112.
The previous prime is 101212212043. The next prime is 101212212121. The reversal of 101212212102 is 201212212101.
It is a congruent number.
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, 492702 + ... + 667217.
It is an arithmetic number, because the mean of its divisors is an integer number (12652407360).
Almost surely, 2101212212102 is an apocalyptic number.
101212212102 is an abundant number, since it is smaller than the sum of its proper divisors (101226305658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101212212102 is a wasteful number, since it uses less digits than its factorization.
101212212102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1174467.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 101212212102 its reverse (201212212101), we get a palindrome (302424424203).
Subtracting 101212212102 from its reverse (201212212101), we obtain a palindrome (99999999999).
The spelling of 101212212102 in words is "one hundred one billion, two hundred twelve million, two hundred twelve thousand, one hundred two".
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