Base | Representation |
---|---|
bin | 110100100111111001100001… |
… | …100101110111111000001011 |
3 | 1010100110110201121102222120021 |
4 | 310213321201211313320023 |
5 | 220313404110211433121 |
6 | 2140122103014041311 |
7 | 66515002011541204 |
oct | 6447714145677013 |
9 | 1110413647388507 |
10 | 231440245030411 |
11 | 678202907596aa |
12 | 21b5a805949237 |
13 | 9c1a94c079c51 |
14 | 4121aa652c5ab |
15 | 1bb545a261641 |
hex | d27e61977e0b |
231440245030411 has 32 divisors (see below), whose sum is σ = 239358483499520. Its totient is φ = 223643752061184.
The previous prime is 231440245030307. The next prime is 231440245030429. The reversal of 231440245030411 is 114030542044132.
It is a cyclic number.
It is not a de Polignac number, because 231440245030411 - 219 = 231440244506123 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231440245037411) 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, 16575245116 + ... + 16575259078.
It is an arithmetic number, because the mean of its divisors is an integer number (7479952609360).
Almost surely, 2231440245030411 is an apocalyptic number.
231440245030411 is a deficient number, since it is larger than the sum of its proper divisors (7918238469109).
231440245030411 is a wasteful number, since it uses less digits than its factorization.
231440245030411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19235.
The product of its (nonzero) digits is 46080, while the sum is 34.
Adding to 231440245030411 its reverse (114030542044132), we get a palindrome (345470787074543).
The spelling of 231440245030411 in words is "two hundred thirty-one trillion, four hundred forty billion, two hundred forty-five million, thirty thousand, four hundred eleven".
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