Base | Representation |
---|---|
bin | 10011100111010100… |
… | …100010100100110000 |
3 | 2000100202121000100121 |
4 | 103213110202210300 |
5 | 321113030244301 |
6 | 13401501500024 |
7 | 1343622523540 |
oct | 234724424460 |
9 | 60322530317 |
10 | 21060790576 |
11 | 8a282a3751 |
12 | 40b9271614 |
13 | 1ca83aa877 |
14 | 103b139320 |
15 | 833e593a1 |
hex | 4e7522930 |
21060790576 has 20 divisors (see below), whose sum is σ = 46634607952. Its totient is φ = 9026053056.
The previous prime is 21060790567. The next prime is 21060790601. The reversal of 21060790576 is 67509706012.
It is a super-2 number, since 2×210607905762 (a number of 21 digits) contains 22 as substring.
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, 94021275 + ... + 94021498.
Almost surely, 221060790576 is an apocalyptic number.
It is an amenable number.
21060790576 is an abundant number, since it is smaller than the sum of its proper divisors (25573817376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21060790576 is a wasteful number, since it uses less digits than its factorization.
21060790576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188042788 (or 188042782 counting only the distinct ones).
The product of its (nonzero) digits is 158760, while the sum is 43.
The spelling of 21060790576 in words is "twenty-one billion, sixty million, seven hundred ninety thousand, five hundred seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •