Base | Representation |
---|---|
bin | 11110111000001000000… |
… | …001100110010110111100 |
3 | 21111211212021021000222122 |
4 | 132320020001212112330 |
5 | 234231021202344322 |
6 | 4302432544502112 |
7 | 306204245335355 |
oct | 36701001462674 |
9 | 7454767230878 |
10 | 2121848481212 |
11 | 748964173229 |
12 | 2a328a91a938 |
13 | 1251216b47b5 |
14 | 749ab4ccd2c |
15 | 3a2da3b6442 |
hex | 1ee080665bc |
2121848481212 has 24 divisors (see below), whose sum is σ = 3813085656576. Its totient is φ = 1032710672448.
The previous prime is 2121848481167. The next prime is 2121848481217.
2121848481212 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×21218484812122 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2121848481217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39377483 + ... + 39431330.
It is an arithmetic number, because the mean of its divisors is an integer number (158878569024).
Almost surely, 22121848481212 is an apocalyptic number.
It is an amenable number.
2121848481212 is a deficient number, since it is larger than the sum of its proper divisors (1691237175364).
2121848481212 is a wasteful number, since it uses less digits than its factorization.
2121848481212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78808997 (or 78808995 counting only the distinct ones).
The product of its digits is 131072, while the sum is 44.
The spelling of 2121848481212 in words is "two trillion, one hundred twenty-one billion, eight hundred forty-eight million, four hundred eighty-one thousand, two hundred twelve".
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