Base | Representation |
---|---|
bin | 1011010011000001010101… |
… | …1000010010110011001000 |
3 | 1121222110211000020220212222 |
4 | 2310300111120102303020 |
5 | 3112003013423010044 |
6 | 42230151514353212 |
7 | 2421262654601450 |
oct | 264602530226310 |
9 | 47873730226788 |
10 | 12421404110024 |
11 | 3a59984881928 |
12 | 148742712b808 |
13 | 6c1444592c90 |
14 | 30d2b0728d60 |
15 | 16819898c8ee |
hex | b4c15612cc8 |
12421404110024 has 128 divisors (see below), whose sum is σ = 29941119936000. Its totient is φ = 4698451021824.
The previous prime is 12421404109981. The next prime is 12421404110029. The reversal of 12421404110024 is 42001140412421.
It is a super-2 number, since 2×124214041100242 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 12421404109975 and 12421404110002.
It is not an unprimeable number, because it can be changed into a prime (12421404110029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681569 + ... + 5030640.
It is an arithmetic number, because the mean of its divisors is an integer number (233914999500).
Almost surely, 212421404110024 is an apocalyptic number.
12421404110024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12421404110024 is an abundant number, since it is smaller than the sum of its proper divisors (17519715825976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12421404110024 is a wasteful number, since it uses less digits than its factorization.
12421404110024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5712367 (or 5712363 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 26.
Adding to 12421404110024 its reverse (42001140412421), we get a palindrome (54422544522445).
The spelling of 12421404110024 in words is "twelve trillion, four hundred twenty-one billion, four hundred four million, one hundred ten thousand, twenty-four".
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