Base | Representation |
---|---|
bin | 1001100100000011110101… |
… | …11111011001110000010010 |
3 | 2202110110200102101202212220 |
4 | 10302001322333121300102 |
5 | 10224024344132302010 |
6 | 112421052355201510 |
7 | 4300245352540461 |
oct | 462017277316022 |
9 | 82413612352786 |
10 | 21030223322130 |
11 | 677895a899200 |
12 | 243796b2a6296 |
13 | b971abca6229 |
14 | 529c226429d8 |
15 | 26709eb3a970 |
hex | 13207afd9c12 |
21030223322130 has 96 divisors (see below), whose sum is σ = 55479535663104. Its totient is φ = 5098101888000.
The previous prime is 21030223322093. The next prime is 21030223322149. The reversal of 21030223322130 is 3122332203012.
It is a self number, because there is not a number n which added to its sum of digits gives 21030223322130.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265389615 + ... + 265468845.
It is an arithmetic number, because the mean of its divisors is an integer number (577911829824).
Almost surely, 221030223322130 is an apocalyptic number.
21030223322130 is an abundant number, since it is smaller than the sum of its proper divisors (34449312340974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21030223322130 is a wasteful number, since it uses less digits than its factorization.
21030223322130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152384 (or 152373 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 21030223322130 its reverse (3122332203012), we get a palindrome (24152555525142).
The spelling of 21030223322130 in words is "twenty-one trillion, thirty billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred thirty".
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