Base | Representation |
---|---|
bin | 1100010101111000011… |
… | …0010110100010011001 |
3 | 202021021212211202112222 |
4 | 3011132012112202121 |
5 | 11433220210332420 |
6 | 241223424113425 |
7 | 21214232201636 |
oct | 3053606264231 |
9 | 667255752488 |
10 | 212032120985 |
11 | 81a16671843 |
12 | 35115165875 |
13 | 16cc101c1a9 |
14 | a3960a118d |
15 | 57ae93c225 |
hex | 315e196899 |
212032120985 has 32 divisors (see below), whose sum is σ = 283886259840. Its totient is φ = 151084403712.
The previous prime is 212032120967. The next prime is 212032120991. The reversal of 212032120985 is 589021230212.
It is a cyclic number.
It is not a de Polignac number, because 212032120985 - 212 = 212032116889 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1460087 + ... + 1598723.
It is an arithmetic number, because the mean of its divisors is an integer number (8871445620).
Almost surely, 2212032120985 is an apocalyptic number.
It is an amenable number.
212032120985 is a deficient number, since it is larger than the sum of its proper divisors (71854138855).
212032120985 is a wasteful number, since it uses less digits than its factorization.
212032120985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139625.
The product of its (nonzero) digits is 17280, while the sum is 35.
The spelling of 212032120985 in words is "two hundred twelve billion, thirty-two million, one hundred twenty thousand, nine hundred eighty-five".
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