Base | Representation |
---|---|
bin | 111000100000001111… |
… | …1010001001111101000 |
3 | 102121012110112122111200 |
4 | 1301000133101033220 |
5 | 3442001300220313 |
6 | 131424315124200 |
7 | 11523641452026 |
oct | 1610037211750 |
9 | 377173478450 |
10 | 121341023208 |
11 | 47507931769 |
12 | 1b624a43660 |
13 | b599c86822 |
14 | 5c314a5716 |
15 | 3252a9ab73 |
hex | 1c407d13e8 |
121341023208 has 48 divisors (see below), whose sum is σ = 334201982400. Its totient is φ = 39761463840.
The previous prime is 121341023207. The next prime is 121341023231. The reversal of 121341023208 is 802320143121.
121341023208 is a `hidden beast` number, since 1 + 2 + 13 + 410 + 232 + 0 + 8 = 666.
It is a super-2 number, since 2×1213410232082 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (121341023207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14277888 + ... + 14286383.
It is an arithmetic number, because the mean of its divisors is an integer number (6962541300).
Almost surely, 2121341023208 is an apocalyptic number.
121341023208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
121341023208 is an abundant number, since it is smaller than the sum of its proper divisors (212860959192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121341023208 is a wasteful number, since it uses less digits than its factorization.
121341023208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28564342 (or 28564335 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
Adding to 121341023208 its reverse (802320143121), we get a palindrome (923661166329).
The spelling of 121341023208 in words is "one hundred twenty-one billion, three hundred forty-one million, twenty-three thousand, two hundred eight".
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