Base | Representation |
---|---|
bin | 10011111111000111… |
… | …100110000011010010 |
3 | 2001101120212111111111 |
4 | 103333013212003102 |
5 | 322422233101010 |
6 | 13505243203534 |
7 | 1356541262551 |
oct | 237707460322 |
9 | 61346774444 |
10 | 21460050130 |
11 | 9112703322 |
12 | 41aab165aa |
13 | 204002011c |
14 | 1078189d98 |
15 | 85902358a |
hex | 4ff1e60d2 |
21460050130 has 16 divisors (see below), whose sum is σ = 40900331160. Its totient is φ = 8079077632.
The previous prime is 21460050121. The next prime is 21460050163. The reversal of 21460050130 is 3105006412.
It can be written as a sum of positive squares in 4 ways, for example, as 21223536489 + 236513641 = 145683^2 + 15379^2 .
It is a super-2 number, since 2×214600501302 (a number of 21 digits) contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 63117625 + ... + 63117964.
Almost surely, 221460050130 is an apocalyptic number.
21460050130 is a deficient number, since it is larger than the sum of its proper divisors (19440281030).
21460050130 is a wasteful number, since it uses less digits than its factorization.
21460050130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126235613.
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 21460050130 its reverse (3105006412), we get a palindrome (24565056542).
The spelling of 21460050130 in words is "twenty-one billion, four hundred sixty million, fifty thousand, one hundred thirty".
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