Base | Representation |
---|---|
bin | 1001001011111101101111… |
… | …01101110110000010001101 |
3 | 2122112022200221220012011202 |
4 | 10211332313231312002031 |
5 | 10121443314220111141 |
6 | 110544451545155245 |
7 | 4153366105632026 |
oct | 445766755660215 |
9 | 78468627805152 |
10 | 20202313441421 |
11 | 648983129aaa1 |
12 | 2323415a8bb25 |
13 | b370ba9a3157 |
14 | 4dbb236a9c4d |
15 | 25079648449b |
hex | 125fb7b7608d |
20202313441421 has 8 divisors (see below), whose sum is σ = 20245531992000. Its totient is φ = 20159105823648.
The previous prime is 20202313441381. The next prime is 20202313441441. The reversal of 20202313441421 is 12414431320202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20202313441421 - 214 = 20202313425037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202313441441) 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, 971840 + ... + 6430326.
It is an arithmetic number, because the mean of its divisors is an integer number (2530691499000).
Almost surely, 220202313441421 is an apocalyptic number.
It is an amenable number.
20202313441421 is a deficient number, since it is larger than the sum of its proper divisors (43218550579).
20202313441421 is an equidigital number, since it uses as much as digits as its factorization.
20202313441421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5466403.
The product of its (nonzero) digits is 9216, while the sum is 29.
Adding to 20202313441421 its reverse (12414431320202), we get a palindrome (32616744761623).
The spelling of 20202313441421 in words is "twenty trillion, two hundred two billion, three hundred thirteen million, four hundred forty-one thousand, four hundred twenty-one".
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