Base | Representation |
---|---|
bin | 1100010101110011101… |
… | …0110111001111100001 |
3 | 202021020111121101011122 |
4 | 3011130322313033201 |
5 | 11433200124111001 |
6 | 241221440022025 |
7 | 21213602042051 |
oct | 3053472671741 |
9 | 667214541148 |
10 | 212012332001 |
11 | 81a06486008 |
12 | 3510a601915 |
13 | 16cb9bb0b32 |
14 | a3935cd561 |
15 | 57acd2db1b |
hex | 315ceb73e1 |
212012332001 has 8 divisors (see below), whose sum is σ = 219492241320. Its totient is φ = 204543698688.
The previous prime is 212012331989. The next prime is 212012332009. The reversal of 212012332001 is 100233210212.
It can be written as a sum of positive squares in 4 ways, for example, as 127842717601 + 84169614400 = 357551^2 + 290120^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212012332001 - 210 = 212012330977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212012332009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2780726 + ... + 2855951.
It is an arithmetic number, because the mean of its divisors is an integer number (27436530165).
Almost surely, 2212012332001 is an apocalyptic number.
It is an amenable number.
212012332001 is a deficient number, since it is larger than the sum of its proper divisors (7479909319).
212012332001 is a wasteful number, since it uses less digits than its factorization.
212012332001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5638003.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 212012332001 its reverse (100233210212), we get a palindrome (312245542213).
The spelling of 212012332001 in words is "two hundred twelve billion, twelve million, three hundred thirty-two thousand, one".
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