Base | Representation |
---|---|
bin | 10011001000111001110… |
… | …100101010101001001000 |
3 | 11122201211122110200211102 |
4 | 103020321310222221020 |
5 | 133022042401200130 |
6 | 2444113001320532 |
7 | 164010425251403 |
oct | 23107164525110 |
9 | 4581748420742 |
10 | 1315230100040 |
11 | 46787111582a |
12 | 192a97a96148 |
13 | 9704450915c |
14 | 4792c188d3a |
15 | 2432b03c645 |
hex | 13239d2aa48 |
1315230100040 has 64 divisors (see below), whose sum is σ = 2983181875200. Its totient is φ = 521842341888.
The previous prime is 1315230100013. The next prime is 1315230100043. The reversal of 1315230100040 is 400010325131.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1315230099985 and 1315230100021.
It is not an unprimeable number, because it can be changed into a prime (1315230100043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27504632 + ... + 27552408.
It is an arithmetic number, because the mean of its divisors is an integer number (46612216800).
Almost surely, 21315230100040 is an apocalyptic number.
1315230100040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1315230100040 is an abundant number, since it is smaller than the sum of its proper divisors (1667951775160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1315230100040 is a wasteful number, since it uses less digits than its factorization.
1315230100040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53334 (or 53330 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 20.
Adding to 1315230100040 its reverse (400010325131), we get a palindrome (1715240425171).
The spelling of 1315230100040 in words is "one trillion, three hundred fifteen billion, two hundred thirty million, one hundred thousand, forty".
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