Base | Representation |
---|---|
bin | 10011110000111110… |
… | …010101000001011110 |
3 | 2000210001022220021201 |
4 | 103300332111001132 |
5 | 321431010140222 |
6 | 13425524550114 |
7 | 1350630212506 |
oct | 236076250136 |
9 | 60701286251 |
10 | 21222740062 |
11 | 90007577a7 |
12 | 414355233a |
13 | 2002b01774 |
14 | 1054854a06 |
15 | 843299427 |
hex | 4f0f9505e |
21222740062 has 8 divisors (see below), whose sum is σ = 31837563576. Its totient is φ = 10610218872.
The previous prime is 21222740059. The next prime is 21222740083. The reversal of 21222740062 is 26004722212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 21222740062.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552348 + ... + 589519.
It is an arithmetic number, because the mean of its divisors is an integer number (3979695447).
Almost surely, 221222740062 is an apocalyptic number.
21222740062 is a deficient number, since it is larger than the sum of its proper divisors (10614823514).
21222740062 is a wasteful number, since it uses less digits than its factorization.
21222740062 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1151162.
The product of its (nonzero) digits is 5376, while the sum is 28.
The spelling of 21222740062 in words is "twenty-one billion, two hundred twenty-two million, seven hundred forty thousand, sixty-two".
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