Base | Representation |
---|---|
bin | 111000100100100100… |
… | …0010101001010100101 |
3 | 102121120120100111000000 |
4 | 1301021020111022211 |
5 | 3442300404124101 |
6 | 131450534411513 |
7 | 11530352001132 |
oct | 1611110251245 |
9 | 377516314000 |
10 | 121486004901 |
11 | 47581756648 |
12 | 1b665500b99 |
13 | b5c1019501 |
14 | 5c46845589 |
15 | 3260688486 |
hex | 1c492152a5 |
121486004901 has 14 divisors (see below), whose sum is σ = 182145684710. Its totient is φ = 80990669448.
The previous prime is 121486004891. The next prime is 121486004903. The reversal of 121486004901 is 109400684121.
121486004901 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 8 + 600 + 49 + 0 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 79045884801 + 42440120100 = 281151^2 + 206010^2 .
It is not a de Polignac number, because 121486004901 - 217 = 121485873829 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121486004903) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 83323006 + ... + 83324463.
Almost surely, 2121486004901 is an apocalyptic number.
It is an amenable number.
121486004901 is a deficient number, since it is larger than the sum of its proper divisors (60659679809).
121486004901 is an frugal number, since it uses more digits than its factorization.
121486004901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166647487 (or 166647472 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The spelling of 121486004901 in words is "one hundred twenty-one billion, four hundred eighty-six million, four thousand, nine hundred one".
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