Base | Representation |
---|---|
bin | 100001011110010… |
… | …1010110000101000 |
3 | 2220021111110210111 |
4 | 1002330222300220 |
5 | 4300014400130 |
6 | 303242024104 |
7 | 36556020454 |
oct | 10274526050 |
9 | 2807443714 |
10 | 1123200040 |
11 | 5270208a6 |
12 | 2741a8034 |
13 | 14b914811 |
14 | a925b664 |
15 | 6891a02a |
hex | 42f2ac28 |
1123200040 has 16 divisors (see below), whose sum is σ = 2527200180. Its totient is φ = 449280000.
The previous prime is 1123200011. The next prime is 1123200041. The reversal of 1123200040 is 400023211.
It can be written as a sum of positive squares in 2 ways, for example, as 1061326084 + 61873956 = 32578^2 + 7866^2 .
It is not an unprimeable number, because it can be changed into a prime (1123200041) 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, 14039961 + ... + 14040040.
Almost surely, 21123200040 is an apocalyptic number.
1123200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1123200040 is an abundant number, since it is smaller than the sum of its proper divisors (1404000140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1123200040 is a wasteful number, since it uses less digits than its factorization.
1123200040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28080012 (or 28080008 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1123200040 is about 33514.1767018078. The cubic root of 1123200040 is about 1039.4869387487.
Adding to 1123200040 its reverse (400023211), we get a palindrome (1523223251).
The spelling of 1123200040 in words is "one billion, one hundred twenty-three million, two hundred thousand, forty".
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