Base | Representation |
---|---|
bin | 11000011100000011… |
… | …01000110101101010 |
3 | 1020212100222211210000 |
4 | 30032001220311222 |
5 | 203332233243310 |
6 | 10005523403430 |
7 | 643062651621 |
oct | 141601506552 |
9 | 36770884700 |
10 | 13120212330 |
11 | 5623021795 |
12 | 2661b23576 |
13 | 1311271464 |
14 | 8c66dc6b8 |
15 | 51bc9a4c0 |
hex | 30e068d6a |
13120212330 has 40 divisors (see below), whose sum is σ = 35278795332. Its totient is φ = 3498723072.
The previous prime is 13120212317. The next prime is 13120212373. The reversal of 13120212330 is 3321202131.
13120212330 is a `hidden beast` number, since 1 + 3 + 120 + 212 + 330 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 12252497481 + 867714849 = 110691^2 + 29457^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8098087 + ... + 8099706.
Almost surely, 213120212330 is an apocalyptic number.
13120212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13120212330 is an abundant number, since it is smaller than the sum of its proper divisors (22158583002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13120212330 is a wasteful number, since it uses less digits than its factorization.
13120212330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16197812 (or 16197803 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13120212330 its reverse (3321202131), we get a palindrome (16441414461).
The spelling of 13120212330 in words is "thirteen billion, one hundred twenty million, two hundred twelve thousand, three hundred thirty".
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