Base | Representation |
---|---|
bin | 100001011100110… |
… | …0001010011100001 |
3 | 2220012221112220001 |
4 | 1002321201103201 |
5 | 4244311444011 |
6 | 303212220001 |
7 | 36546012655 |
oct | 10271412341 |
9 | 2805845801 |
10 | 1122374881 |
11 | 526607951 |
12 | 273a6a601 |
13 | 14b6b6064 |
14 | a90c4a65 |
15 | 688057c1 |
hex | 42e614e1 |
1122374881 has 4 divisors (see below), whose sum is σ = 1125054000. Its totient is φ = 1119695764.
The previous prime is 1122374789. The next prime is 1122374893. The reversal of 1122374881 is 1884732211.
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, and also an emirpimes, since its reverse is a distinct semiprime: 1884732211 = 83 ⋅22707617.
It is a cyclic number.
It is not a de Polignac number, because 1122374881 - 27 = 1122374753 is a prime.
It is a super-2 number, since 2×11223748812 = 2519450746999528322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1122374881.
It is not an unprimeable number, because it can be changed into a prime (1122374081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338931 + ... + 1339768.
It is an arithmetic number, because the mean of its divisors is an integer number (281263500).
Almost surely, 21122374881 is an apocalyptic number.
It is an amenable number.
1122374881 is a deficient number, since it is larger than the sum of its proper divisors (2679119).
1122374881 is an equidigital number, since it uses as much as digits as its factorization.
1122374881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2679118.
The product of its digits is 21504, while the sum is 37.
The square root of 1122374881 is about 33501.8638436729. The cubic root of 1122374881 is about 1039.2323233329.
The spelling of 1122374881 in words is "one billion, one hundred twenty-two million, three hundred seventy-four thousand, eight hundred eighty-one".
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