Base | Representation |
---|---|
bin | 1100010110001001011… |
… | …0000000110011011011 |
3 | 202021110211211210222221 |
4 | 3011202112000303123 |
5 | 11433341423211011 |
6 | 241234450324511 |
7 | 21216055413232 |
oct | 3054226006333 |
9 | 667424753887 |
10 | 212103335131 |
11 | 81a52892006 |
12 | 35134b89737 |
13 | 170029c453c |
14 | a3a171bb19 |
15 | 57b5d07971 |
hex | 3162580cdb |
212103335131 has 8 divisors (see below), whose sum is σ = 212454294080. Its totient is φ = 211752617472.
The previous prime is 212103335111. The next prime is 212103335173. The reversal of 212103335131 is 131533301212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212103335131 is a prime.
It is a super-2 number, since 2×2121033351312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212103335096 and 212103335105.
It is not an unprimeable number, because it can be changed into a prime (212103335111) by changing a digit.
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 in 7 ways as a sum of consecutive naturals, for example, 1743550 + ... + 1861228.
It is an arithmetic number, because the mean of its divisors is an integer number (26556786760).
Almost surely, 2212103335131 is an apocalyptic number.
212103335131 is a deficient number, since it is larger than the sum of its proper divisors (350958949).
212103335131 is a wasteful number, since it uses less digits than its factorization.
212103335131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120645.
The product of its (nonzero) digits is 1620, while the sum is 25.
Adding to 212103335131 its reverse (131533301212), we get a palindrome (343636636343).
The spelling of 212103335131 in words is "two hundred twelve billion, one hundred three million, three hundred thirty-five thousand, one hundred thirty-one".
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