Base | Representation |
---|---|
bin | 10010101111110110… |
… | …101010110111100000 |
3 | 1220221220112210101012 |
4 | 102233312222313200 |
5 | 312211313311334 |
6 | 13125300200052 |
7 | 1311562663433 |
oct | 225766526740 |
9 | 56856483335 |
10 | 20130213344 |
11 | 859aa8725a |
12 | 3a99699028 |
13 | 1b8a669557 |
14 | d8d6dd81a |
15 | 7cc3dc9ce |
hex | 4afdaade0 |
20130213344 has 12 divisors (see below), whose sum is σ = 39631357584. Its totient is φ = 10065106656.
The previous prime is 20130213329. The next prime is 20130213379. The reversal of 20130213344 is 44331203102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314534552 + ... + 314534615.
It is an arithmetic number, because the mean of its divisors is an integer number (3302613132).
Almost surely, 220130213344 is an apocalyptic number.
It is an amenable number.
20130213344 is a deficient number, since it is larger than the sum of its proper divisors (19501144240).
20130213344 is an equidigital number, since it uses as much as digits as its factorization.
20130213344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 629069177 (or 629069169 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 20130213344 its reverse (44331203102), we get a palindrome (64461416446).
The spelling of 20130213344 in words is "twenty billion, one hundred thirty million, two hundred thirteen thousand, three hundred forty-four".
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