Base | Representation |
---|---|
bin | 10011100100010011… |
… | …010101000001111001 |
3 | 2000020020021202121200 |
4 | 103210103111001321 |
5 | 321012044010210 |
6 | 13352452124413 |
7 | 1342436153166 |
oct | 234423250171 |
9 | 60206252550 |
10 | 21010141305 |
11 | 8a0174a14a |
12 | 40a4306709 |
13 | 1c9aa55a9a |
14 | 103451306d |
15 | 82e7a20c0 |
hex | 4e44d5079 |
21010141305 has 48 divisors (see below), whose sum is σ = 38574506880. Its totient is φ = 10542242304.
The previous prime is 21010141259. The next prime is 21010141351. The reversal of 21010141305 is 50314101012.
21010141305 is a `hidden beast` number, since 210 + 10 + 141 + 305 = 666.
It is an interprime number because it is at equal distance from previous prime (21010141259) and next prime (21010141351).
It is not a de Polignac number, because 21010141305 - 28 = 21010141049 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3959284 + ... + 3964586.
It is an arithmetic number, because the mean of its divisors is an integer number (803635560).
Almost surely, 221010141305 is an apocalyptic number.
It is an amenable number.
21010141305 is a deficient number, since it is larger than the sum of its proper divisors (17564365575).
21010141305 is a wasteful number, since it uses less digits than its factorization.
21010141305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10510 (or 10507 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
Adding to 21010141305 its reverse (50314101012), we get a palindrome (71324242317).
The spelling of 21010141305 in words is "twenty-one billion, ten million, one hundred forty-one thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •