Base | Representation |
---|---|
bin | 111000011111000011… |
… | …0101011110100000100 |
3 | 102121002200021110220200 |
4 | 1300332012223310010 |
5 | 3441411030232004 |
6 | 131420325530500 |
7 | 11522644456206 |
oct | 1607606536404 |
9 | 377080243820 |
10 | 121301024004 |
11 | 474972a1776 |
12 | 1b613573a30 |
13 | b5918c0464 |
14 | 5c2a052776 |
15 | 324e2e9239 |
hex | 1c3e1abd04 |
121301024004 has 18 divisors (see below), whose sum is σ = 306622032990. Its totient is φ = 40433674656.
The previous prime is 121301023993. The next prime is 121301024023. The reversal of 121301024004 is 400420103121.
121301024004 is a `hidden beast` number, since 121 + 301 + 0 + 240 + 0 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 65438756100 + 55862267904 = 255810^2 + 236352^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684736409 + ... + 1684736480.
Almost surely, 2121301024004 is an apocalyptic number.
It is an amenable number.
121301024004 is an abundant number, since it is smaller than the sum of its proper divisors (185321008986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121301024004 is a wasteful number, since it uses less digits than its factorization.
121301024004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3369472899 (or 3369472894 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 121301024004 its reverse (400420103121), we get a palindrome (521721127125).
The spelling of 121301024004 in words is "one hundred twenty-one billion, three hundred one million, twenty-four thousand, four".
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