Base | Representation |
---|---|
bin | 10011110000001110… |
… | …001110011001011010 |
3 | 2000202011121020112202 |
4 | 103300032032121122 |
5 | 321414243130020 |
6 | 13424354410202 |
7 | 1350415062506 |
oct | 236016163132 |
9 | 60664536482 |
10 | 21210130010 |
11 | 8aa4624673 |
12 | 413b290962 |
13 | 2000307bb4 |
14 | 1052cd1306 |
15 | 842107e75 |
hex | 4f038e65a |
21210130010 has 32 divisors (see below), whose sum is σ = 38374886592. Its totient is φ = 8440432000.
The previous prime is 21210130003. The next prime is 21210130021. The reversal of 21210130010 is 1003101212.
21210130010 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×212101300102 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 21210129973 and 21210130000.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2387597 + ... + 2396463.
It is an arithmetic number, because the mean of its divisors is an integer number (1199215206).
Almost surely, 221210130010 is an apocalyptic number.
21210130010 is a deficient number, since it is larger than the sum of its proper divisors (17164756582).
21210130010 is a wasteful number, since it uses less digits than its factorization.
21210130010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10078.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 21210130010 its reverse (1003101212), we get a palindrome (22213231222).
The spelling of 21210130010 in words is "twenty-one billion, two hundred ten million, one hundred thirty thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •