Base | Representation |
---|---|
bin | 111000110110111011… |
… | …0100011000000100001 |
3 | 102200011111122100121001 |
4 | 1301231312203000201 |
5 | 4000031114200001 |
6 | 132032023432001 |
7 | 11551542503560 |
oct | 1615566430041 |
9 | 380144570531 |
10 | 122102100001 |
11 | 478684a7a52 |
12 | 1b7b78b5601 |
13 | b68b85c01b |
14 | 5ca45bbbd7 |
15 | 32997d5001 |
hex | 1c6dda3021 |
122102100001 has 16 divisors (see below), whose sum is σ = 141806157696. Its totient is φ = 102967197696.
The previous prime is 122102099981. The next prime is 122102100013. The reversal of 122102100001 is 100001201221.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122102100001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122102101001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210465 + ... + 537121.
It is an arithmetic number, because the mean of its divisors is an integer number (8862884856).
Almost surely, 2122102100001 is an apocalyptic number.
It is an amenable number.
122102100001 is a deficient number, since it is larger than the sum of its proper divisors (19704057695).
122102100001 is an equidigital number, since it uses as much as digits as its factorization.
122102100001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 327528.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 122102100001 its reverse (100001201221), we get a palindrome (222103301222).
The spelling of 122102100001 in words is "one hundred twenty-two billion, one hundred two million, one hundred thousand, one".
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