Base | Representation |
---|---|
bin | 1110011011001… |
… | …01000001100001 |
3 | 22102200102211201 |
4 | 13031211001201 |
5 | 221434000113 |
6 | 20001241201 |
7 | 2666324530 |
oct | 715450141 |
9 | 272612751 |
10 | 121000033 |
11 | 62335130 |
12 | 34633201 |
13 | 1c0b716b |
14 | 120da317 |
15 | a951cdd |
hex | 7365061 |
121000033 has 32 divisors (see below), whose sum is σ = 166717440. Its totient is φ = 84860160.
The previous prime is 121000003. The next prime is 121000049. The reversal of 121000033 is 330000121.
It is not a de Polignac number, because 121000033 - 221 = 118902881 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120999983 and 121000019.
It is not an unprimeable number, because it can be changed into a prime (121000003) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28098 + ... + 32116.
It is an arithmetic number, because the mean of its divisors is an integer number (5209920).
Almost surely, 2121000033 is an apocalyptic number.
It is an amenable number.
121000033 is a deficient number, since it is larger than the sum of its proper divisors (45717407).
121000033 is a wasteful number, since it uses less digits than its factorization.
121000033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4077.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 121000033 is about 11000.0014999999. The cubic root of 121000033 is about 494.6087892893.
Adding to 121000033 its reverse (330000121), we get a palindrome (451000154).
The spelling of 121000033 in words is "one hundred twenty-one million, thirty-three", and thus it is an aban number.
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