Base | Representation |
---|---|
bin | 11000110101000100… |
… | …00010111011110100 |
3 | 1021101222210220120112 |
4 | 30122202002323310 |
5 | 204244442100140 |
6 | 10042420522152 |
7 | 651221265053 |
oct | 143242027364 |
9 | 37358726515 |
10 | 13330034420 |
11 | 572050317a |
12 | 2700250358 |
13 | 1345887341 |
14 | 90651a39a |
15 | 5303e4c65 |
hex | 31a882ef4 |
13330034420 has 24 divisors (see below), whose sum is σ = 28044838248. Its totient is φ = 5322153600.
The previous prime is 13330034401. The next prime is 13330034423. The reversal of 13330034420 is 2443003331.
It can be written as a sum of positive squares in 4 ways, for example, as 2525263504 + 10804770916 = 50252^2 + 103946^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13330034423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605171 + ... + 626810.
It is an arithmetic number, because the mean of its divisors is an integer number (1168534927).
Almost surely, 213330034420 is an apocalyptic number.
13330034420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13330034420 is an abundant number, since it is smaller than the sum of its proper divisors (14714803828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13330034420 is a wasteful number, since it uses less digits than its factorization.
13330034420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1232531 (or 1232529 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 13330034420 its reverse (2443003331), we get a palindrome (15773037751).
The spelling of 13330034420 in words is "thirteen billion, three hundred thirty million, thirty-four thousand, four hundred twenty".
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