Base | Representation |
---|---|
bin | 11011100011110101101101… |
… | …100011001011111111111111 |
3 | 120220011120110222020102020222 |
4 | 123203311231203023333333 |
5 | 111341401301130014101 |
6 | 1105443053353531555 |
7 | 34350066343400213 |
oct | 3343655543137777 |
9 | 526146428212228 |
10 | 121210110001151 |
11 | 35691a12177856 |
12 | 117173b8713bbb |
13 | 52830ab437882 |
14 | 21d085a192943 |
15 | e02e46bcc01b |
hex | 6e3d6d8cbfff |
121210110001151 has 2 divisors, whose sum is σ = 121210110001152. Its totient is φ = 121210110001150.
The previous prime is 121210110001087. The next prime is 121210110001163. The reversal of 121210110001151 is 151100011012121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 121210110001151 - 26 = 121210110001087 is a prime.
It is a super-2 number, since 2×1212101100011512 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121210110001451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605055000575 + 60605055000576.
It is an arithmetic number, because the mean of its divisors is an integer number (60605055000576).
Almost surely, 2121210110001151 is an apocalyptic number.
121210110001151 is a deficient number, since it is larger than the sum of its proper divisors (1).
121210110001151 is an equidigital number, since it uses as much as digits as its factorization.
121210110001151 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20, while the sum is 17.
Adding to 121210110001151 its reverse (151100011012121), we get a palindrome (272310121013272).
The spelling of 121210110001151 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred ten million, one thousand, one hundred fifty-one".
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