Base | Representation |
---|---|
bin | 110100101000111111100011… |
… | …101101001111010001001101 |
3 | 1010100201122211020122100122001 |
4 | 310220333203231033101031 |
5 | 220321122111231141331 |
6 | 2140220420451352301 |
7 | 66523303326156220 |
oct | 6450774355172115 |
9 | 1110648736570561 |
10 | 231515442443341 |
11 | 6784a169733a61 |
12 | 21b712b12b2691 |
13 | 9c24a74212a64 |
14 | 412559b5135b7 |
15 | 1bb73abcc1561 |
hex | d28fe3b4f44d |
231515442443341 has 8 divisors (see below), whose sum is σ = 264590204433984. Its totient is φ = 198440962291680.
The previous prime is 231515442443317. The next prime is 231515442443371. The reversal of 231515442443341 is 143344244515132.
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 231515442443341 - 27 = 231515442443213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231515442443291 and 231515442443300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231515442443371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68696560 + ... + 71987833.
It is an arithmetic number, because the mean of its divisors is an integer number (33073775554248).
Almost surely, 2231515442443341 is an apocalyptic number.
It is an amenable number.
231515442443341 is a deficient number, since it is larger than the sum of its proper divisors (33074761990643).
231515442443341 is a wasteful number, since it uses less digits than its factorization.
231515442443341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140919491.
The product of its digits is 2764800, while the sum is 46.
Adding to 231515442443341 its reverse (143344244515132), we get a palindrome (374859686958473).
The spelling of 231515442443341 in words is "two hundred thirty-one trillion, five hundred fifteen billion, four hundred forty-two million, four hundred forty-three thousand, three hundred forty-one".
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