Base | Representation |
---|---|
bin | 10010101111110101… |
… | …110111010110111000 |
3 | 1220221220011001221222 |
4 | 102233311313112320 |
5 | 312211240033420 |
6 | 13125251451212 |
7 | 1311561124346 |
oct | 225765672670 |
9 | 56856131858 |
10 | 20130002360 |
11 | 859a952796 |
12 | 3a995b6b08 |
13 | 1b8a5c4500 |
14 | d8d686996 |
15 | 7cc39a225 |
hex | 4afd775b8 |
20130002360 has 96 divisors (see below), whose sum is σ = 49736501280. Its totient is φ = 7327756800.
The previous prime is 20130002359. The next prime is 20130002369. The reversal of 20130002360 is 6320003102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130002369) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458990 + ... + 500930.
It is an arithmetic number, because the mean of its divisors is an integer number (518088555).
Almost surely, 220130002360 is an apocalyptic number.
20130002360 is a gapful number since it is divisible by the number (20) 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 20130002360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24868250640).
20130002360 is an abundant number, since it is smaller than the sum of its proper divisors (29606498920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20130002360 is a wasteful number, since it uses less digits than its factorization.
20130002360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42049 (or 42032 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 20130002360 its reverse (6320003102), we get a palindrome (26450005462).
The spelling of 20130002360 in words is "twenty billion, one hundred thirty million, two thousand, three hundred sixty".
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