Base | Representation |
---|---|
bin | 1011111101110110… |
… | …0101010011001101 |
3 | 22021212022211102101 |
4 | 2333131211103031 |
5 | 23034311000323 |
6 | 1250424355101 |
7 | 142413163642 |
oct | 27735452315 |
9 | 8255284371 |
10 | 3212203213 |
11 | 13a92288aa |
12 | 757915a91 |
13 | 3c265217b |
14 | 226883dc9 |
15 | 13c00ddad |
hex | bf7654cd |
3212203213 has 4 divisors (see below), whose sum is σ = 3381266560. Its totient is φ = 3043139868.
The previous prime is 3212203147. The next prime is 3212203223. The reversal of 3212203213 is 3123022123.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 3212203213 - 217 = 3212072141 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 169063327 = 3212203213 / (3 + 2 + 1 + 2 + 2 + 0 + 3 + 2 + 1 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3212203223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84531645 + ... + 84531682.
It is an arithmetic number, because the mean of its divisors is an integer number (845316640).
Almost surely, 23212203213 is an apocalyptic number.
It is an amenable number.
3212203213 is a deficient number, since it is larger than the sum of its proper divisors (169063347).
3212203213 is a wasteful number, since it uses less digits than its factorization.
3212203213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169063346.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 3212203213 is about 56676.3020406236. The cubic root of 3212203213 is about 1475.4834325360.
Adding to 3212203213 its reverse (3123022123), we get a palindrome (6335225336).
The spelling of 3212203213 in words is "three billion, two hundred twelve million, two hundred three thousand, two hundred thirteen".
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