Base | Representation |
---|---|
bin | 11111011101000000001… |
… | …000000101001111000010 |
3 | 21122122001202222122102000 |
4 | 133131000020011033002 |
5 | 240403114232112211 |
6 | 4332542011004430 |
7 | 312105415231026 |
oct | 37350010051702 |
9 | 7578052878360 |
10 | 2161444410306 |
11 | 763733025875 |
12 | 2aaa9b439716 |
13 | 128a91b2b83c |
14 | 76886156386 |
15 | 3b356683656 |
hex | 1f7402053c2 |
2161444410306 has 64 divisors (see below), whose sum is σ = 4851253693440. Its totient is φ = 713276323200.
The previous prime is 2161444410283. The next prime is 2161444410329. The reversal of 2161444410306 is 6030144441612.
2161444410306 is a `hidden beast` number, since 2 + 1 + 614 + 4 + 4 + 4 + 1 + 0 + 30 + 6 = 666.
It is an interprime number because it is at equal distance from previous prime (2161444410283) and next prime (2161444410329).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107722831 + ... + 107742893.
It is an arithmetic number, because the mean of its divisors is an integer number (75800838960).
Almost surely, 22161444410306 is an apocalyptic number.
2161444410306 is an abundant number, since it is smaller than the sum of its proper divisors (2689809283134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2161444410306 is a wasteful number, since it uses less digits than its factorization.
2161444410306 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39928 (or 39922 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
Adding to 2161444410306 its reverse (6030144441612), we get a palindrome (8191588851918).
The spelling of 2161444410306 in words is "two trillion, one hundred sixty-one billion, four hundred forty-four million, four hundred ten thousand, three hundred six".
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