Base | Representation |
---|---|
bin | 10011111100001110… |
… | …000011100100010001 |
3 | 2001021012100102212012 |
4 | 103330032003210101 |
5 | 322322310142431 |
6 | 13500344512305 |
7 | 1355411000252 |
oct | 237416034421 |
9 | 61235312765 |
10 | 21411412241 |
11 | 9098202a1a |
12 | 419677b695 |
13 | 2032c209cb |
14 | 1071928b29 |
15 | 854b1722b |
hex | 4fc383911 |
21411412241 has 8 divisors (see below), whose sum is σ = 22648404480. Its totient is φ = 20199925152.
The previous prime is 21411412213. The next prime is 21411412259. The reversal of 21411412241 is 14221411412.
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 21411412241 - 226 = 21344303377 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (21411412291) 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, 6374561 + ... + 6377918.
It is an arithmetic number, because the mean of its divisors is an integer number (2831050560).
Almost surely, 221411412241 is an apocalyptic number.
It is an amenable number.
21411412241 is a deficient number, since it is larger than the sum of its proper divisors (1236992239).
21411412241 is a wasteful number, since it uses less digits than its factorization.
21411412241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12752575.
The product of its digits is 512, while the sum is 23.
Adding to 21411412241 its reverse (14221411412), we get a palindrome (35632823653).
The spelling of 21411412241 in words is "twenty-one billion, four hundred eleven million, four hundred twelve thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •