Base | Representation |
---|---|
bin | 11001011011110… |
… | …00000100001000 |
3 | 112212110102220022 |
4 | 30231320010020 |
5 | 414104241322 |
6 | 33100520012 |
7 | 5200316366 |
oct | 1455700410 |
9 | 485412808 |
10 | 213352712 |
11 | aa483061 |
12 | 5b550008 |
13 | 35280c11 |
14 | 2049a636 |
15 | 13ae5942 |
hex | cb78108 |
213352712 has 8 divisors (see below), whose sum is σ = 400036350. Its totient is φ = 106676352.
The previous prime is 213352709. The next prime is 213352717. The reversal of 213352712 is 217253312.
It can be written as a sum of positive squares in only one way, i.e., 161137636 + 52215076 = 12694^2 + 7226^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (213352717) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13334537 + ... + 13334552.
Almost surely, 2213352712 is an apocalyptic number.
It is an amenable number.
213352712 is a deficient number, since it is larger than the sum of its proper divisors (186683638).
213352712 is a wasteful number, since it uses less digits than its factorization.
213352712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26669095 (or 26669091 counting only the distinct ones).
The product of its digits is 2520, while the sum is 26.
The square root of 213352712 is about 14606.5982350443. The cubic root of 213352712 is about 597.5387247533.
It can be divided in two parts, 2133 and 52712, that added together give a palindrome (54845).
The spelling of 213352712 in words is "two hundred thirteen million, three hundred fifty-two thousand, seven hundred twelve".
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