Base | Representation |
---|---|
bin | 101100000111111101011100… |
… | …0100011101001010000101001 |
3 | 1212220020010000020121122210022 |
4 | 1120033322320203221100221 |
5 | 401332443040410201441 |
6 | 3453244500351530225 |
7 | 144515616504313550 |
oct | 13017727043512051 |
9 | 1786203006548708 |
10 | 388122111022121 |
11 | 1027387323930a3 |
12 | 376447b9829975 |
13 | 138749b14c2258 |
14 | 6bbb2d34cad97 |
15 | 2ed0e306a684b |
hex | 160feb88e9429 |
388122111022121 has 16 divisors (see below), whose sum is σ = 447561717275904. Its totient is φ = 329694010435584.
The previous prime is 388122111022099. The next prime is 388122111022169. The reversal of 388122111022121 is 121220111221883.
It is a cyclic number.
It is not a de Polignac number, because 388122111022121 - 222 = 388122106827817 is a prime.
It is not an unprimeable number, because it can be changed into a prime (388122111021121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545813996 + ... + 546524621.
It is an arithmetic number, because the mean of its divisors is an integer number (27972607329744).
Almost surely, 2388122111022121 is an apocalyptic number.
It is an amenable number.
388122111022121 is a deficient number, since it is larger than the sum of its proper divisors (59439606253783).
388122111022121 is a wasteful number, since it uses less digits than its factorization.
388122111022121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1092339080.
The product of its (nonzero) digits is 6144, while the sum is 35.
The spelling of 388122111022121 in words is "three hundred eighty-eight trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred twenty-one".
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