Base | Representation |
---|---|
bin | 100001011000000… |
… | …0001011001010001 |
3 | 2220001021001020211 |
4 | 1002300001121101 |
5 | 4243142304011 |
6 | 303043004121 |
7 | 36515602333 |
oct | 10260013121 |
9 | 2801231224 |
10 | 1119884881 |
11 | 5251670a5 |
12 | 273069641 |
13 | 14b02389b |
14 | a8a37453 |
15 | 684b2b21 |
hex | 42c01651 |
1119884881 has 4 divisors (see below), whose sum is σ = 1168575552. Its totient is φ = 1071194212.
The previous prime is 1119884873. The next prime is 1119884903. The reversal of 1119884881 is 1884889111.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1119884881 - 23 = 1119884873 is a prime.
It is a super-2 number, since 2×11198848812 = 2508284293384768322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1119884861) 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, 24345301 + ... + 24345346.
It is an arithmetic number, because the mean of its divisors is an integer number (292143888).
Almost surely, 21119884881 is an apocalyptic number.
It is an amenable number.
1119884881 is a deficient number, since it is larger than the sum of its proper divisors (48690671).
1119884881 is an equidigital number, since it uses as much as digits as its factorization.
1119884881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48690670.
The product of its digits is 147456, while the sum is 49.
The square root of 1119884881 is about 33464.6810981369. The cubic root of 1119884881 is about 1038.4632385125.
The spelling of 1119884881 in words is "one billion, one hundred nineteen million, eight hundred eighty-four thousand, eight hundred eighty-one".
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