Base | Representation |
---|---|
bin | 101111001000100101… |
… | …1101010010110110001 |
3 | 100200021012021211021101 |
4 | 1132101023222112301 |
5 | 3124244310014301 |
6 | 114255543524401 |
7 | 10212216546214 |
oct | 1362113522661 |
9 | 320235254241 |
10 | 101220001201 |
11 | 39a22063060 |
12 | 1774a459701 |
13 | 97114b7a47 |
14 | 4c830b977b |
15 | 29763c6701 |
hex | 17912ea5b1 |
101220001201 has 16 divisors (see below), whose sum is σ = 114243825600. Its totient is φ = 88833976000.
The previous prime is 101220001151. The next prime is 101220001241. The reversal of 101220001201 is 102100022101.
It is not a de Polignac number, because 101220001201 - 29 = 101220000689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101220001241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487851 + ... + 3516751.
It is an arithmetic number, because the mean of its divisors is an integer number (7140239100).
Almost surely, 2101220001201 is an apocalyptic number.
101220001201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
101220001201 is a deficient number, since it is larger than the sum of its proper divisors (13023824399).
101220001201 is a wasteful number, since it uses less digits than its factorization.
101220001201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39920.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 101220001201 its reverse (102100022101), we get a palindrome (203320023302).
The spelling of 101220001201 in words is "one hundred one billion, two hundred twenty million, one thousand, two hundred one".
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