Base | Representation |
---|---|
bin | 10011000100010000011… |
… | …100110101100101010000 |
3 | 11122020221221122011222002 |
4 | 103010100130311211100 |
5 | 132431333200121430 |
6 | 2441525540133132 |
7 | 163442664625265 |
oct | 23042034654520 |
9 | 4566857564862 |
10 | 1310241020240 |
11 | 465740997289 |
12 | 191b250971a8 |
13 | 9672aa01c29 |
14 | 475b772b26c |
15 | 24138041845 |
hex | 13110735950 |
1310241020240 has 80 divisors (see below), whose sum is σ = 3180961905408. Its totient is φ = 500962142208.
The previous prime is 1310241020237. The next prime is 1310241020251. The reversal of 1310241020240 is 420201420131.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×13102410202402 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416424 + ... + 2908536.
Almost surely, 21310241020240 is an apocalyptic number.
1310241020240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1310241020240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590480952704).
1310241020240 is an abundant number, since it is smaller than the sum of its proper divisors (1870720885168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1310241020240 is a wasteful number, since it uses less digits than its factorization.
1310241020240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493596 (or 493590 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 1310241020240 its reverse (420201420131), we get a palindrome (1730442440371).
The spelling of 1310241020240 in words is "one trillion, three hundred ten billion, two hundred forty-one million, twenty thousand, two hundred forty".
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