Base | Representation |
---|---|
bin | 11001010001110… |
… | …01000010001011 |
3 | 112210000001101012 |
4 | 30220321002023 |
5 | 413240432323 |
6 | 33012514135 |
7 | 5153234543 |
oct | 1450710213 |
9 | 483001335 |
10 | 212045963 |
11 | a97702a8 |
12 | 5b01b94b |
13 | 34c141ac |
14 | 2023a323 |
15 | 13938678 |
hex | ca3908b |
212045963 has 4 divisors (see below), whose sum is σ = 212107368. Its totient is φ = 211984560.
The previous prime is 212045929. The next prime is 212045987. The reversal of 212045963 is 369540212.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 212045963 - 28 = 212045707 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212045903) 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, 25193 + ... + 32538.
It is an arithmetic number, because the mean of its divisors is an integer number (53026842).
Almost surely, 2212045963 is an apocalyptic number.
212045963 is a deficient number, since it is larger than the sum of its proper divisors (61405).
212045963 is an equidigital number, since it uses as much as digits as its factorization.
212045963 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61404.
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 212045963 is about 14561.7980689199. The cubic root of 212045963 is about 596.3162846494.
The spelling of 212045963 in words is "two hundred twelve million, forty-five thousand, nine hundred sixty-three".
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