Base | Representation |
---|---|
bin | 11110110111011100100… |
… | …111000111110011001010 |
3 | 21111202222111201110020211 |
4 | 132313130213013303022 |
5 | 234223023222320020 |
6 | 4302232405311334 |
7 | 306150222352333 |
oct | 36673447076312 |
9 | 7452874643224 |
10 | 2121120120010 |
11 | 748620012721 |
12 | 2a3106a0554a |
13 | 125036825338 |
14 | 7493c89128a |
15 | 3a29649085a |
hex | 1eddc9c7cca |
2121120120010 has 16 divisors (see below), whose sum is σ = 3819797876736. Its totient is φ = 848052123408.
The previous prime is 2121120119887. The next prime is 2121120120013. The reversal of 2121120120010 is 100210211212.
It is a super-2 number, since 2×21211201200102 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2121120120013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49468074 + ... + 49510933.
It is an arithmetic number, because the mean of its divisors is an integer number (238737367296).
Almost surely, 22121120120010 is an apocalyptic number.
2121120120010 is a deficient number, since it is larger than the sum of its proper divisors (1698677756726).
2121120120010 is a wasteful number, since it uses less digits than its factorization.
2121120120010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98981157.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2121120120010 its reverse (100210211212), we get a palindrome (2221330331222).
The spelling of 2121120120010 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty thousand, ten".
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