Base | Representation |
---|---|
bin | 10010111010100100… |
… | …100000011011000000 |
3 | 1221102102211222011000 |
4 | 102322210200123000 |
5 | 313043330020334 |
6 | 13155201452000 |
7 | 1316205106623 |
oct | 227244403300 |
9 | 57372758130 |
10 | 20310001344 |
11 | 8682514686 |
12 | 3b29941000 |
13 | 1bb8997a99 |
14 | da953ddba |
15 | 7dd0a3299 |
hex | 4ba9206c0 |
20310001344 has 112 divisors (see below), whose sum is σ = 59842908000. Its totient is φ = 6754664448.
The previous prime is 20310001319. The next prime is 20310001357. The reversal of 20310001344 is 44310001302.
It is a super-3 number, since 3×203100013443 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762784 + ... + 788960.
Almost surely, 220310001344 is an apocalyptic number.
20310001344 is a gapful number since it is divisible by the number (24) 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 20310001344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29921454000).
20310001344 is an abundant number, since it is smaller than the sum of its proper divisors (39532906656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310001344 is a wasteful number, since it uses less digits than its factorization.
20310001344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26647 (or 26631 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20310001344 its reverse (44310001302), we get a palindrome (64620002646).
The spelling of 20310001344 in words is "twenty billion, three hundred ten million, one thousand, three hundred forty-four".
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