Base | Representation |
---|---|
bin | 11001010011010… |
… | …11101101001001 |
3 | 112210101121002020 |
4 | 30221223231021 |
5 | 413314103023 |
6 | 33021155053 |
7 | 5155060623 |
oct | 1451535511 |
9 | 483347066 |
10 | 212253513 |
11 | a98a222a |
12 | 5b0bba89 |
13 | 34c877c4 |
14 | 20291c13 |
15 | 13979de3 |
hex | ca6bb49 |
212253513 has 8 divisors (see below), whose sum is σ = 284442048. Its totient is φ = 140783664.
The previous prime is 212253491. The next prime is 212253529. The reversal of 212253513 is 315352212.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212253513 - 216 = 212187977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212253563) 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, 178981 + ... + 180162.
It is an arithmetic number, because the mean of its divisors is an integer number (35555256).
Almost surely, 2212253513 is an apocalyptic number.
It is an amenable number.
212253513 is a deficient number, since it is larger than the sum of its proper divisors (72188535).
212253513 is a wasteful number, since it uses less digits than its factorization.
212253513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359343.
The product of its digits is 1800, while the sum is 24.
The square root of 212253513 is about 14568.9228496825. The cubic root of 212253513 is about 596.5107787811.
The spelling of 212253513 in words is "two hundred twelve million, two hundred fifty-three thousand, five hundred thirteen".
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