Base | Representation |
---|---|
bin | 10011000111000110111… |
… | …010010111000110011100 |
3 | 11122112212021210220000110 |
4 | 103013012322113012130 |
5 | 133004120331304040 |
6 | 2443153412130020 |
7 | 163611565423500 |
oct | 23070672270634 |
9 | 4575767726013 |
10 | 1313302213020 |
11 | 466a71952776 |
12 | 19263a306910 |
13 | 96ac7c902c5 |
14 | 477c8102300 |
15 | 24266b71980 |
hex | 131c6e9719c |
1313302213020 has 144 divisors (see below), whose sum is σ = 4279686461568. Its totient is φ = 300037852800.
The previous prime is 1313302212979. The next prime is 1313302213039. The reversal of 1313302213020 is 203122033131.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6016795 + ... + 6231245.
It is an arithmetic number, because the mean of its divisors is an integer number (29720044872).
Almost surely, 21313302213020 is an apocalyptic number.
1313302213020 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 1313302213020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139843230784).
1313302213020 is an abundant number, since it is smaller than the sum of its proper divisors (2966384248548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1313302213020 is a wasteful number, since it uses less digits than its factorization.
1313302213020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216560 (or 216551 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1313302213020 its reverse (203122033131), we get a palindrome (1516424246151).
The spelling of 1313302213020 in words is "one trillion, three hundred thirteen billion, three hundred two million, two hundred thirteen thousand, twenty".
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