Base | Representation |
---|---|
bin | 1111100111110… |
… | …00111110001100 |
3 | 100010120200111022 |
4 | 13303320332030 |
5 | 232021340322 |
6 | 21000413312 |
7 | 3150564116 |
oct | 763707614 |
9 | 303520438 |
10 | 131043212 |
11 | 67a74783 |
12 | 37a77238 |
13 | 211c2581 |
14 | 135923b6 |
15 | b787942 |
hex | 7cf8f8c |
131043212 has 6 divisors (see below), whose sum is σ = 229325628. Its totient is φ = 65521604.
The previous prime is 131043203. The next prime is 131043229. The reversal of 131043212 is 212340131.
It is a super-2 number, since 2×1310432122 = 34344646822553888, which contains 22 as substring.
It is a zygodrome in base 2.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16380398 + ... + 16380405.
It is an arithmetic number, because the mean of its divisors is an integer number (38220938).
Almost surely, 2131043212 is an apocalyptic number.
It is an amenable number.
131043212 is a deficient number, since it is larger than the sum of its proper divisors (98282416).
131043212 is a wasteful number, since it uses less digits than its factorization.
131043212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32760807 (or 32760805 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 131043212 is about 11447.4107115976. The cubic root of 131043212 is about 507.9311446966.
Adding to 131043212 its reverse (212340131), we get a palindrome (343383343).
The spelling of 131043212 in words is "one hundred thirty-one million, forty-three thousand, two hundred twelve".
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