Base | Representation |
---|---|
bin | 1011011000110000110100… |
… | …1001010100100100101011 |
3 | 1122022220102211022021121100 |
4 | 2312030031021110210223 |
5 | 3120112030323341321 |
6 | 42343344235012443 |
7 | 2431354341630660 |
oct | 266141511244453 |
9 | 48286384267540 |
10 | 12520050215211 |
11 | 3a977a5a497a0 |
12 | 14a257759a123 |
13 | 6ca835747616 |
14 | 313d8ba39a67 |
15 | 16aa1dddd326 |
hex | b630d25492b |
12520050215211 has 96 divisors (see below), whose sum is σ = 23536159395840. Its totient is φ = 6218782257600.
The previous prime is 12520050215209. The next prime is 12520050215227. The reversal of 12520050215211 is 11251205002521.
12520050215211 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 0 + 0 + 502 + 152 + 1 + 1 = 666.
It is not a de Polignac number, because 12520050215211 - 21 = 12520050215209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12520050235211) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42234096 + ... + 42529506.
It is an arithmetic number, because the mean of its divisors is an integer number (245168327040).
Almost surely, 212520050215211 is an apocalyptic number.
12520050215211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12520050215211 is a deficient number, since it is larger than the sum of its proper divisors (11016109180629).
12520050215211 is a wasteful number, since it uses less digits than its factorization.
12520050215211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298117 (or 298114 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 27.
Adding to 12520050215211 its reverse (11251205002521), we get a palindrome (23771255217732).
The spelling of 12520050215211 in words is "twelve trillion, five hundred twenty billion, fifty million, two hundred fifteen thousand, two hundred eleven".
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