Base | Representation |
---|---|
bin | 10010111111111111… |
… | …101100011010101001 |
3 | 1221122210002220122110 |
4 | 102333333230122221 |
5 | 313240124430231 |
6 | 13212212312533 |
7 | 1321361522133 |
oct | 227777543251 |
9 | 57583086573 |
10 | 20401014441 |
11 | 8719928115 |
12 | 3b54312749 |
13 | 1c017b2ba2 |
14 | db7672053 |
15 | 7e6080046 |
hex | 4bffec6a9 |
20401014441 has 8 divisors (see below), whose sum is σ = 28801432224. Its totient is φ = 12800636480.
The previous prime is 20401014437. The next prime is 20401014481. The reversal of 20401014441 is 14441010402.
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 20401014441 - 22 = 20401014437 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20401014481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200009895 + ... + 200009996.
It is an arithmetic number, because the mean of its divisors is an integer number (3600179028).
Almost surely, 220401014441 is an apocalyptic number.
It is an amenable number.
20401014441 is a deficient number, since it is larger than the sum of its proper divisors (8400417783).
20401014441 is a wasteful number, since it uses less digits than its factorization.
20401014441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400019911.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 20401014441 its reverse (14441010402), we get a palindrome (34842024843).
The spelling of 20401014441 in words is "twenty billion, four hundred one million, fourteen thousand, four hundred forty-one".
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