Base | Representation |
---|---|
bin | 1101011101011100011… |
… | …0010001111000000011 |
3 | 211002212122122110001212 |
4 | 3113113012101320003 |
5 | 12242040423423321 |
6 | 254121530520335 |
7 | 22464251455355 |
oct | 3272706217003 |
9 | 732778573055 |
10 | 231242014211 |
11 | 8a0840a795a |
12 | 389965960ab |
13 | 18a62ac9010 |
14 | b2994750d5 |
15 | 603613755b |
hex | 35d7191e03 |
231242014211 has 8 divisors (see below), whose sum is σ = 257617098480. Its totient is φ = 206093678112.
The previous prime is 231242014189. The next prime is 231242014261. The reversal of 231242014211 is 112410242132.
231242014211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231242014211 - 214 = 231241997827 is a prime.
It is a super-3 number, since 3×2312420142113 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231242014261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306686645 + ... + 306687398.
It is an arithmetic number, because the mean of its divisors is an integer number (32202137310).
Almost surely, 2231242014211 is an apocalyptic number.
231242014211 is a deficient number, since it is larger than the sum of its proper divisors (26375084269).
231242014211 is a wasteful number, since it uses less digits than its factorization.
231242014211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613374085.
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 231242014211 its reverse (112410242132), we get a palindrome (343652256343).
The spelling of 231242014211 in words is "two hundred thirty-one billion, two hundred forty-two million, fourteen thousand, two hundred eleven".
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