Base | Representation |
---|---|
bin | 111000011001000101… |
… | …1101010010100011100 |
3 | 102120120201220022022202 |
4 | 1300302023222110130 |
5 | 3441003324031022 |
6 | 131344422431032 |
7 | 11514665350544 |
oct | 1606213522434 |
9 | 376521808282 |
10 | 121101002012 |
11 | 473a43a4241 |
12 | 1b578592478 |
13 | b55c329153 |
14 | 5c0b666324 |
15 | 323b988592 |
hex | 1c322ea51c |
121101002012 has 24 divisors (see below), whose sum is σ = 223091971200. Its totient is φ = 57360758256.
The previous prime is 121101001997. The next prime is 121101002017. The reversal of 121101002012 is 210200101121.
It is a super-3 number, since 3×1211010020123 (a number of 34 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121101001984 and 121101002002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121101002017) 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 7 ways as a sum of consecutive naturals, for example, 2975633 + ... + 3016055.
It is an arithmetic number, because the mean of its divisors is an integer number (9295498800).
Almost surely, 2121101002012 is an apocalyptic number.
It is an amenable number.
121101002012 is a deficient number, since it is larger than the sum of its proper divisors (101990969188).
121101002012 is a wasteful number, since it uses less digits than its factorization.
121101002012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79865 (or 79863 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 121101002012 its reverse (210200101121), we get a palindrome (331301103133).
The spelling of 121101002012 in words is "one hundred twenty-one billion, one hundred one million, two thousand, twelve".
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