Base | Representation |
---|---|
bin | 1001010101010001001110… |
… | …10000001101101110100010 |
3 | 2200122212220022201000212200 |
4 | 10222220213100031232202 |
5 | 10142213040122132432 |
6 | 111351403213234030 |
7 | 4215444411255453 |
oct | 452504720155642 |
9 | 80585808630780 |
10 | 20522012302242 |
11 | 65a2377a33a60 |
12 | 2375378492916 |
13 | b5b2a99a0209 |
14 | 50d3b0b0512a |
15 | 258c58227a7c |
hex | 12aa2740dba2 |
20522012302242 has 48 divisors (see below), whose sum is σ = 48509659542240. Its totient is φ = 6218396092800.
The previous prime is 20522012302219. The next prime is 20522012302249. The reversal of 20522012302242 is 24220321022502.
It is a happy number.
20522012302242 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 201 + 230 + 224 + 2 = 666.
It is not an unprimeable number, because it can be changed into a prime (20522012302249) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167392 + ... + 6408747.
It is an arithmetic number, because the mean of its divisors is an integer number (1010617907130).
Almost surely, 220522012302242 is an apocalyptic number.
20522012302242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20522012302242 is an abundant number, since it is smaller than the sum of its proper divisors (27987647239998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20522012302242 is a wasteful number, since it uses less digits than its factorization.
20522012302242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6591919 (or 6591916 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 20522012302242 its reverse (24220321022502), we get a palindrome (44742333324744).
The spelling of 20522012302242 in words is "twenty trillion, five hundred twenty-two billion, twelve million, three hundred two thousand, two hundred forty-two".
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