Base | Representation |
---|---|
bin | 11001000010010100… |
… | …01011110110110100 |
3 | 1021200202000201112201 |
4 | 30201022023312310 |
5 | 210011423020040 |
6 | 10101431554244 |
7 | 654041325244 |
oct | 144112136664 |
9 | 37622021481 |
10 | 13441220020 |
11 | 57782445a8 |
12 | 273152b984 |
13 | 1362916237 |
14 | 9171bdb24 |
15 | 53a058a9a |
hex | 32128bdb4 |
13441220020 has 48 divisors (see below), whose sum is σ = 28395798480. Its totient is φ = 5344349184.
The previous prime is 13441219999. The next prime is 13441220041. The reversal of 13441220020 is 2002214431.
It is an interprime number because it is at equal distance from previous prime (13441219999) and next prime (13441220041).
It can be written as a sum of positive squares in 8 ways, for example, as 2122813476 + 11318406544 = 46074^2 + 106388^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 13441220020.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2529126 + ... + 2534434.
It is an arithmetic number, because the mean of its divisors is an integer number (591579135).
Almost surely, 213441220020 is an apocalyptic number.
13441220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13441220020 is an abundant number, since it is smaller than the sum of its proper divisors (14954578460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13441220020 is a wasteful number, since it uses less digits than its factorization.
13441220020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6052 (or 6050 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 13441220020 its reverse (2002214431), we get a palindrome (15443434451).
The spelling of 13441220020 in words is "thirteen billion, four hundred forty-one million, two hundred twenty thousand, twenty".
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