Base | Representation |
---|---|
bin | 10011110001100010… |
… | …001110011110011110 |
3 | 2000210201000222212212 |
4 | 103301202032132132 |
5 | 321440412303210 |
6 | 13430502400422 |
7 | 1351103205131 |
oct | 236142163636 |
9 | 60721028785 |
10 | 21232150430 |
11 | 9005aa4967 |
12 | 4146730112 |
13 | 2004a47b2a |
14 | 1055bc4218 |
15 | 844007805 |
hex | 4f188e79e |
21232150430 has 32 divisors (see below), whose sum is σ = 38454248448. Its totient is φ = 8440487200.
The previous prime is 21232150421. The next prime is 21232150441. The reversal of 21232150430 is 3405123212.
21232150430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 21232150396 and 21232150405.
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 15 ways as a sum of consecutive naturals, for example, 1124165 + ... + 1142895.
It is an arithmetic number, because the mean of its divisors is an integer number (1201695264).
Almost surely, 221232150430 is an apocalyptic number.
21232150430 is a deficient number, since it is larger than the sum of its proper divisors (17222098018).
21232150430 is a wasteful number, since it uses less digits than its factorization.
21232150430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19432.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 21232150430 its reverse (3405123212), we get a palindrome (24637273642).
The spelling of 21232150430 in words is "twenty-one billion, two hundred thirty-two million, one hundred fifty thousand, four hundred thirty".
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