Base | Representation |
---|---|
bin | 1011000110101110111101… |
… | …0011111000000011101010 |
3 | 1121020021221122020200200000 |
4 | 2301223233103320003222 |
5 | 3100023204334121302 |
6 | 41545201230323430 |
7 | 2400110625463242 |
oct | 261535723700352 |
9 | 47207848220600 |
10 | 12210312020202 |
11 | 39884008a444a |
12 | 1452534959576 |
13 | 6a757324525a |
14 | 302da7444b22 |
15 | 16294183831c |
hex | b1aef4f80ea |
12210312020202 has 24 divisors (see below), whose sum is σ = 27435515898336. Its totient is φ = 4070104006572.
The previous prime is 12210312020173. The next prime is 12210312020359. The reversal of 12210312020202 is 20202021301221.
12210312020202 is a `hidden beast` number, since 122 + 10 + 312 + 0 + 20 + 202 = 666.
It is a super-2 number, since 2×122103120202022 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12562048918 + ... + 12562049889.
It is an arithmetic number, because the mean of its divisors is an integer number (1143146495764).
Almost surely, 212210312020202 is an apocalyptic number.
12210312020202 is an abundant number, since it is smaller than the sum of its proper divisors (15225203878134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210312020202 is an equidigital number, since it uses as much as digits as its factorization.
12210312020202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25124098824 (or 25124098812 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 12210312020202 its reverse (20202021301221), we get a palindrome (32412333321423).
The spelling of 12210312020202 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, twenty thousand, two hundred two".
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