Base | Representation |
---|---|
bin | 111000011001000110… |
… | …0110011110100111101 |
3 | 102120120202110121100012 |
4 | 1300302030303310331 |
5 | 3441003413144401 |
6 | 131344433113005 |
7 | 11515001043422 |
oct | 1606214636475 |
9 | 376522417305 |
10 | 121101303101 |
11 | 473a458a479 |
12 | 1b5786b8765 |
13 | b55c4031cc |
14 | 5c0b703d49 |
15 | 323b9e78bb |
hex | 1c32333d3d |
121101303101 has 2 divisors, whose sum is σ = 121101303102. Its totient is φ = 121101303100.
The previous prime is 121101303077. The next prime is 121101303157. The reversal of 121101303101 is 101303101121.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 61637992900 + 59463310201 = 248270^2 + 243851^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121101303101 is a prime.
It is a super-2 number, since 2×1211013031012 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121101303601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550651550 + 60550651551.
It is an arithmetic number, because the mean of its divisors is an integer number (60550651551).
Almost surely, 2121101303101 is an apocalyptic number.
It is an amenable number.
121101303101 is a deficient number, since it is larger than the sum of its proper divisors (1).
121101303101 is an equidigital number, since it uses as much as digits as its factorization.
121101303101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 121101303101 its reverse (101303101121), we get a palindrome (222404404222).
It can be divided in two parts, 121 and 101303101, that multiplied together give a palindrome (12257675221).
The spelling of 121101303101 in words is "one hundred twenty-one billion, one hundred one million, three hundred three thousand, one hundred one".
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