Base | Representation |
---|---|
bin | 10100111111101110… |
… | …10101111110101101 |
3 | 1002002120021221100222 |
4 | 22133313111332231 |
5 | 141041114114020 |
6 | 5102302301125 |
7 | 546221405510 |
oct | 123767257655 |
9 | 32076257328 |
10 | 11272019885 |
11 | 4864841415 |
12 | 2226b877a5 |
13 | 10a83a9969 |
14 | 78d07cd77 |
15 | 45e8c2b25 |
hex | 29fdd5fad |
11272019885 has 16 divisors (see below), whose sum is σ = 15557241216. Its totient is φ = 7680149568.
The previous prime is 11272019867. The next prime is 11272019887. The reversal of 11272019885 is 58891027211.
It is not a de Polignac number, because 11272019885 - 26 = 11272019821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11272019887) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020167 + ... + 1031156.
It is an arithmetic number, because the mean of its divisors is an integer number (972327576).
Almost surely, 211272019885 is an apocalyptic number.
It is an amenable number.
11272019885 is a deficient number, since it is larger than the sum of its proper divisors (4285221331).
11272019885 is a wasteful number, since it uses less digits than its factorization.
11272019885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2051492.
The product of its (nonzero) digits is 80640, while the sum is 44.
The spelling of 11272019885 in words is "eleven billion, two hundred seventy-two million, nineteen thousand, eight hundred eighty-five".
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