Base | Representation |
---|---|
bin | 10010000010110111000… |
… | …110001100000110110111 |
3 | 11101112201021222102110101 |
4 | 102002313012030012313 |
5 | 130304031220343411 |
6 | 2345354120134531 |
7 | 155405624531530 |
oct | 22026706140667 |
9 | 4345637872411 |
10 | 1240022434231 |
11 | 438988378319 |
12 | 1803a9007447 |
13 | 8cc1a1c3659 |
14 | 44035a95687 |
15 | 223c86548c1 |
hex | 120b718c1b7 |
1240022434231 has 8 divisors (see below), whose sum is σ = 1424362246560. Its totient is φ = 1057481059488.
The previous prime is 1240022434219. The next prime is 1240022434249. The reversal of 1240022434231 is 1324342200421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1240022434231 - 217 = 1240022303159 is a prime.
It is a super-2 number, since 2×12400224342312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1240022434231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1240022434271) 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, 449607916 + ... + 449610673.
It is an arithmetic number, because the mean of its divisors is an integer number (178045280820).
Almost surely, 21240022434231 is an apocalyptic number.
1240022434231 is a deficient number, since it is larger than the sum of its proper divisors (184339812329).
1240022434231 is an equidigital number, since it uses as much as digits as its factorization.
1240022434231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 899218793.
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 1240022434231 its reverse (1324342200421), we get a palindrome (2564364634652).
The spelling of 1240022434231 in words is "one trillion, two hundred forty billion, twenty-two million, four hundred thirty-four thousand, two hundred thirty-one".
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