Base | Representation |
---|---|
bin | 1001101100110010011101… |
… | …10101101111000011001010 |
3 | 2210112010210110021211210210 |
4 | 10312121032311233003022 |
5 | 10243433101324114010 |
6 | 113210532050421550 |
7 | 4331023341025650 |
oct | 466311665570312 |
9 | 83463713254723 |
10 | 21330130301130 |
11 | 688406a530442 |
12 | 2485b095918b6 |
13 | bb9565765b11 |
14 | 53a55328cdd0 |
15 | 26eca4072b20 |
hex | 13664ed6f0ca |
21330130301130 has 64 divisors (see below), whose sum is σ = 58756596956928. Its totient is φ = 4854533629440.
The previous prime is 21330130301101. The next prime is 21330130301131. The reversal of 21330130301130 is 3110303103312.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 21330130301097 and 21330130301106.
It is not an unprimeable number, because it can be changed into a prime (21330130301131) 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, 217916841 + ... + 218014700.
It is an arithmetic number, because the mean of its divisors is an integer number (918071827452).
Almost surely, 221330130301130 is an apocalyptic number.
21330130301130 is an abundant number, since it is smaller than the sum of its proper divisors (37426466655798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21330130301130 is a wasteful number, since it uses less digits than its factorization.
21330130301130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435931791.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 21330130301130 its reverse (3110303103312), we get a palindrome (24440433404442).
The spelling of 21330130301130 in words is "twenty-one trillion, three hundred thirty billion, one hundred thirty million, three hundred one thousand, one hundred thirty".
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