Base | Representation |
---|---|
bin | 111000101010001011… |
… | …1010001101010111001 |
3 | 102122001200222121102102 |
4 | 1301110113101222321 |
5 | 3443142131101441 |
6 | 131521350113145 |
7 | 11535130643216 |
oct | 1612427215271 |
9 | 378050877372 |
10 | 121674472121 |
11 | 47669081884 |
12 | 1b6b864b7b5 |
13 | b621096387 |
14 | 5c638a4b0d |
15 | 3271eb569b |
hex | 1c545d1ab9 |
121674472121 has 16 divisors (see below), whose sum is σ = 124973259264. Its totient is φ = 118414218624.
The previous prime is 121674472081. The next prime is 121674472207. The reversal of 121674472121 is 121274476121.
It is a cyclic number.
It is not a de Polignac number, because 121674472121 - 230 = 120600730297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121674472321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10355576 + ... + 10367318.
It is an arithmetic number, because the mean of its divisors is an integer number (7810828704).
Almost surely, 2121674472121 is an apocalyptic number.
It is an amenable number.
121674472121 is a deficient number, since it is larger than the sum of its proper divisors (3298787143).
121674472121 is a wasteful number, since it uses less digits than its factorization.
121674472121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13360.
The product of its digits is 37632, while the sum is 38.
The spelling of 121674472121 in words is "one hundred twenty-one billion, six hundred seventy-four million, four hundred seventy-two thousand, one hundred twenty-one".
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