Base | Representation |
---|---|
bin | 110100101010100111111100… |
… | …010000111100011111110000 |
3 | 1010101010101010101010101011120 |
4 | 310222213330100330133300 |
5 | 220324441132020402022 |
6 | 2140344114303542240 |
7 | 66534351651300615 |
oct | 6452477420743760 |
9 | 1111111111111146 |
10 | 231627523606512 |
11 | 67892754616830 |
12 | 21b8ab70bba980 |
13 | 9c324c6933957 |
14 | 412ab90c7c50c |
15 | 1bba26b95ed5c |
hex | d2a9fc43c7f0 |
231627523606512 has 160 divisors (see below), whose sum is σ = 656251391151360. Its totient is φ = 69816542453760.
The previous prime is 231627523606511. The next prime is 231627523606547. The reversal of 231627523606512 is 215606325726132.
It is a super-2 number, since 2×2316275236065122 (a number of 30 digits) contains 22 as substring.
It is a plaindrome in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231627523606511) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81837664 + ... + 84620672.
It is an arithmetic number, because the mean of its divisors is an integer number (4101571194696).
Almost surely, 2231627523606512 is an apocalyptic number.
231627523606512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231627523606512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328125695575680).
231627523606512 is an abundant number, since it is smaller than the sum of its proper divisors (424623867544848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231627523606512 is a wasteful number, since it uses less digits than its factorization.
231627523606512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2783871 (or 2783865 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 51.
The spelling of 231627523606512 in words is "two hundred thirty-one trillion, six hundred twenty-seven billion, five hundred twenty-three million, six hundred six thousand, five hundred twelve".
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