Base | Representation |
---|---|
bin | 11011111101101100… |
… | …001000000011110100 |
3 | 2212111120020011221220 |
4 | 123331230020003310 |
5 | 442443124204042 |
6 | 21443241310340 |
7 | 2112033563226 |
oct | 337554100364 |
9 | 85446204856 |
10 | 30026006772 |
11 | 11808997333 |
12 | 599b7953b0 |
13 | 2aa689c618 |
14 | 164ba98416 |
15 | bab0648ec |
hex | 6fdb080f4 |
30026006772 has 12 divisors (see below), whose sum is σ = 70060682496. Its totient is φ = 10008668920.
The previous prime is 30026006741. The next prime is 30026006851. The reversal of 30026006772 is 27760062003.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×300260067722 (a number of 22 digits) contains 22 as substring.
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, 1251083604 + ... + 1251083627.
It is an arithmetic number, because the mean of its divisors is an integer number (5838390208).
Almost surely, 230026006772 is an apocalyptic number.
It is an amenable number.
30026006772 is an abundant number, since it is smaller than the sum of its proper divisors (40034675724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30026006772 is a wasteful number, since it uses less digits than its factorization.
30026006772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2502167238 (or 2502167236 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 33.
Adding to 30026006772 its reverse (27760062003), we get a palindrome (57786068775).
The spelling of 30026006772 in words is "thirty billion, twenty-six million, six thousand, seven hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •