Base | Representation |
---|---|
bin | 1100010110111011001… |
… | …0100000101000100011 |
3 | 202022000101201210122011 |
4 | 3011232302200220203 |
5 | 11434303401212011 |
6 | 241311305453351 |
7 | 21224202226651 |
oct | 3055662405043 |
9 | 668011653564 |
10 | 212312132131 |
11 | 8204a733310 |
12 | 35192aa1257 |
13 | 1703703b968 |
14 | a3c134ddd1 |
15 | 57c92ed621 |
hex | 316eca0a23 |
212312132131 has 8 divisors (see below), whose sum is σ = 235070149824. Its totient is φ = 190130266920.
The previous prime is 212312132113. The next prime is 212312132143. The reversal of 212312132131 is 131231213212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212312132131 - 211 = 212312130083 is a prime.
It is a super-2 number, since 2×2123121321312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212312132101) 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, 144037345 + ... + 144038818.
It is an arithmetic number, because the mean of its divisors is an integer number (29383768728).
Almost surely, 2212312132131 is an apocalyptic number.
212312132131 is a deficient number, since it is larger than the sum of its proper divisors (22758017693).
212312132131 is a wasteful number, since it uses less digits than its factorization.
212312132131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288076241.
The product of its digits is 432, while the sum is 22.
Adding to 212312132131 its reverse (131231213212), we get a palindrome (343543345343).
It can be divided in two parts, 212312 and 132131, that added together give a palindrome (344443).
The spelling of 212312132131 in words is "two hundred twelve billion, three hundred twelve million, one hundred thirty-two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •