Base | Representation |
---|---|
bin | 10011001000010110… |
… | …011110011111001110 |
3 | 1222000112220022011021 |
4 | 103020112132133032 |
5 | 314032022020210 |
6 | 13234141144354 |
7 | 1325013233245 |
oct | 231026363716 |
9 | 58015808137 |
10 | 20541204430 |
11 | 8790a79a0a |
12 | 3b9325b0ba |
13 | 1c24858846 |
14 | dcc12595c |
15 | 803522bda |
hex | 4c859e7ce |
20541204430 has 8 divisors (see below), whose sum is σ = 36974167992. Its totient is φ = 8216481768.
The previous prime is 20541204379. The next prime is 20541204451. The reversal of 20541204430 is 3440214502.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20541204395 and 20541204404.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027060212 + ... + 1027060231.
It is an arithmetic number, because the mean of its divisors is an integer number (4621770999).
Almost surely, 220541204430 is an apocalyptic number.
20541204430 is a deficient number, since it is larger than the sum of its proper divisors (16432963562).
20541204430 is a wasteful number, since it uses less digits than its factorization.
20541204430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2054120450.
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 20541204430 its reverse (3440214502), we get a palindrome (23981418932).
The spelling of 20541204430 in words is "twenty billion, five hundred forty-one million, two hundred four thousand, four hundred thirty".
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