Base | Representation |
---|---|
bin | 1011001101111011… |
… | …1011111010111101 |
3 | 21202212011101221200 |
4 | 2303132323322331 |
5 | 22131333401141 |
6 | 1214445050113 |
7 | 134423021232 |
oct | 26336737275 |
9 | 7685141850 |
10 | 3011231421 |
11 | 1305841810 |
12 | 700556939 |
13 | 38cb17753 |
14 | 207ccb789 |
15 | 129561ab6 |
hex | b37bbebd |
3011231421 has 24 divisors (see below), whose sum is σ = 4873219104. Its totient is φ = 1775662560.
The previous prime is 3011231381. The next prime is 3011231449. The reversal of 3011231421 is 1241321103.
3011231421 is a `hidden beast` number, since 3 + 0 + 11 + 231 + 421 = 666.
It is not a de Polignac number, because 3011231421 - 221 = 3009134269 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3011231394 and 3011231403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3011231491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407371 + ... + 414696.
It is an arithmetic number, because the mean of its divisors is an integer number (203050796).
Almost surely, 23011231421 is an apocalyptic number.
It is an amenable number.
3011231421 is a deficient number, since it is larger than the sum of its proper divisors (1861987683).
3011231421 is a wasteful number, since it uses less digits than its factorization.
3011231421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 822121 (or 822118 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 3011231421 is about 54874.6883453565. The cubic root of 3011231421 is about 1444.0471635685.
Adding to 3011231421 its reverse (1241321103), we get a palindrome (4252552524).
It can be divided in two parts, 3011 and 231421, that added together give a palindrome (234432).
The spelling of 3011231421 in words is "three billion, eleven million, two hundred thirty-one thousand, four hundred twenty-one".
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