Base | Representation |
---|---|
bin | 1100010110111101110… |
… | …0101111010010011001 |
3 | 202022001011120012220202 |
4 | 3011233130233102121 |
5 | 11434314214432301 |
6 | 241312343031545 |
7 | 21224365304135 |
oct | 3055734572231 |
9 | 668034505822 |
10 | 212323202201 |
11 | 82055a04430 |
12 | 3519673b5b5 |
13 | 170394165b6 |
14 | a3c29d23c5 |
15 | 57ca28866b |
hex | 316f72f499 |
212323202201 has 16 divisors (see below), whose sum is σ = 244349741760. Its totient is φ = 182461870080.
The previous prime is 212323202197. The next prime is 212323202233. The reversal of 212323202201 is 102202323212.
It is a happy number.
It is not a de Polignac number, because 212323202201 - 22 = 212323202197 is a prime.
It is a super-2 number, since 2×2123232022012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212323202281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015976 + ... + 1207001.
It is an arithmetic number, because the mean of its divisors is an integer number (15271858860).
Almost surely, 2212323202201 is an apocalyptic number.
It is an amenable number.
212323202201 is a deficient number, since it is larger than the sum of its proper divisors (32026539559).
212323202201 is a wasteful number, since it uses less digits than its factorization.
212323202201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2223464.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 212323202201 its reverse (102202323212), we get a palindrome (314525525413).
The spelling of 212323202201 in words is "two hundred twelve billion, three hundred twenty-three million, two hundred two thousand, two hundred one".
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