Base | Representation |
---|---|
bin | 111000011111111011… |
… | …0011001101111010101 |
3 | 102121011201101100212221 |
4 | 1300333312121233111 |
5 | 3441441024410401 |
6 | 131423253342341 |
7 | 11523451422340 |
oct | 1607766315725 |
9 | 377151340787 |
10 | 121330310101 |
11 | 47501884860 |
12 | 1b6213379b1 |
13 | b5979a5500 |
14 | 5c2dcb7457 |
15 | 3251b817a1 |
hex | 1c3fd99bd5 |
121330310101 has 96 divisors (see below), whose sum is σ = 170190913536. Its totient is φ = 83903040000.
The previous prime is 121330310093. The next prime is 121330310147. The reversal of 121330310101 is 101013033121.
It is not a de Polignac number, because 121330310101 - 23 = 121330310093 is a prime.
It is a super-3 number, since 3×1213303101013 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121330310191) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67367401 + ... + 67369201.
It is an arithmetic number, because the mean of its divisors is an integer number (1772822016).
Almost surely, 2121330310101 is an apocalyptic number.
121330310101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
121330310101 is a deficient number, since it is larger than the sum of its proper divisors (48860603435).
121330310101 is a wasteful number, since it uses less digits than its factorization.
121330310101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2043 (or 2030 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 121330310101 its reverse (101013033121), we get a palindrome (222343343222).
The spelling of 121330310101 in words is "one hundred twenty-one billion, three hundred thirty million, three hundred ten thousand, one hundred one".
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