Base | Representation |
---|---|
bin | 1101011100010001… |
… | …11101000001111011 |
3 | 200121221012201120001 |
4 | 12232020331001323 |
5 | 104234414100021 |
6 | 3152031413431 |
7 | 343555443256 |
oct | 65610750173 |
9 | 20557181501 |
10 | 7216550011 |
11 | 3073610920 |
12 | 1494984277 |
13 | 8b0136248 |
14 | 4c660a09d |
15 | 2c3842091 |
hex | 1ae23d07b |
7216550011 has 4 divisors (see below), whose sum is σ = 7872600024. Its totient is φ = 6560500000.
The previous prime is 7216549981. The next prime is 7216550017. The reversal of 7216550011 is 1100556127.
7216550011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1100556127 = 11 ⋅100050557.
It is a cyclic number.
It is not a de Polignac number, because 7216550011 - 213 = 7216541819 is a prime.
It is a super-3 number, since 3×72165500113 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7216550017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328024990 + ... + 328025011.
It is an arithmetic number, because the mean of its divisors is an integer number (1968150006).
Almost surely, 27216550011 is an apocalyptic number.
7216550011 is a deficient number, since it is larger than the sum of its proper divisors (656050013).
7216550011 is a wasteful number, since it uses less digits than its factorization.
7216550011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656050012.
The product of its (nonzero) digits is 2100, while the sum is 28.
The square root of 7216550011 is about 84950.2796405050. The cubic root of 7216550011 is about 1932.4571611072.
The spelling of 7216550011 in words is "seven billion, two hundred sixteen million, five hundred fifty thousand, eleven".
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