Base | Representation |
---|---|
bin | 110100101000111111100011… |
… | …111000010001000001111101 |
3 | 1010100201122211110002020001201 |
4 | 310220333203320101001331 |
5 | 220321122113001143031 |
6 | 2140220421033335501 |
7 | 66523303362556213 |
oct | 6450774370210175 |
9 | 1110648743066051 |
10 | 231515445334141 |
11 | 6784a170328951 |
12 | 21b712b2267591 |
13 | 9c24a749b57a7 |
14 | 412559ba66cb3 |
15 | 1bb73ac192d61 |
hex | d28fe3e1107d |
231515445334141 has 8 divisors (see below), whose sum is σ = 244925094248000. Its totient is φ = 218228258967840.
The previous prime is 231515445334111. The next prime is 231515445334163. The reversal of 231515445334141 is 141433544515132.
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 231515445334141 - 217 = 231515445203069 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231515445334091 and 231515445334100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231515445334111) 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, 30615633000 + ... + 30615640561.
It is an arithmetic number, because the mean of its divisors is an integer number (30615636781000).
Almost surely, 2231515445334141 is an apocalyptic number.
It is an amenable number.
231515445334141 is a deficient number, since it is larger than the sum of its proper divisors (13409648913859).
231515445334141 is a wasteful number, since it uses less digits than its factorization.
231515445334141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61231273779.
The product of its digits is 1728000, while the sum is 46.
Adding to 231515445334141 its reverse (141433544515132), we get a palindrome (372948989849273).
The spelling of 231515445334141 in words is "two hundred thirty-one trillion, five hundred fifteen billion, four hundred forty-five million, three hundred thirty-four thousand, one hundred forty-one".
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