Base | Representation |
---|---|
bin | 11000100111111110… |
… | …00110110110001110 |
3 | 1021010100011100200120 |
4 | 30103333012312032 |
5 | 204033333241420 |
6 | 10023455005410 |
7 | 645415643310 |
oct | 142377066616 |
9 | 37110140616 |
10 | 13220212110 |
11 | 5674513036 |
12 | 268b509866 |
13 | 1328bb4b21 |
14 | 8d5acd7b0 |
15 | 52594ed40 |
hex | 313fc6d8e |
13220212110 has 128 divisors (see below), whose sum is σ = 37342854144. Its totient is φ = 2932070400.
The previous prime is 13220212079. The next prime is 13220212121. The reversal of 13220212110 is 1121202231.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 13220212110.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3113649 + ... + 3117891.
It is an arithmetic number, because the mean of its divisors is an integer number (291741048).
Almost surely, 213220212110 is an apocalyptic number.
13220212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13220212110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18671427072).
13220212110 is an abundant number, since it is smaller than the sum of its proper divisors (24122642034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13220212110 is a wasteful number, since it uses less digits than its factorization.
13220212110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4698.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 13220212110 its reverse (1121202231), we get a palindrome (14341414341).
The spelling of 13220212110 in words is "thirteen billion, two hundred twenty million, two hundred twelve thousand, one hundred ten".
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