Search a number
-
+
1243441043 = 13657714543
BaseRepresentation
bin100101000011101…
…0110011110010011
310012122202100102222
41022013112132103
510021310103133
6323215131255
742546034355
oct11207263623
93178670388
101243441043
11588987729
122a8513b2b
1316a7c4340
14bb1db0d5
157426be98
hex4a1d6793

1243441043 has 8 divisors (see below), whose sum is σ = 1339386048. Its totient is φ = 1147538304.

The previous prime is 1243441027. The next prime is 1243441057. The reversal of 1243441043 is 3401443421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1243441043 - 24 = 1243441027 is a prime.

It is a super-2 number, since 2×12434410432 = 3092291254833855698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1243441063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78230 + ... + 92772.

It is an arithmetic number, because the mean of its divisors is an integer number (167423256).

Almost surely, 21243441043 is an apocalyptic number.

1243441043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1243441043 is a deficient number, since it is larger than the sum of its proper divisors (95945005).

1243441043 is a wasteful number, since it uses less digits than its factorization.

1243441043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1243441043 is about 35262.4594008983. The cubic root of 1243441043 is about 1075.3299273600.

Adding to 1243441043 its reverse (3401443421), we get a palindrome (4644884464).

The spelling of 1243441043 in words is "one billion, two hundred forty-three million, four hundred forty-one thousand, forty-three".

Divisors: 1 13 6577 14543 85501 189059 95649311 1243441043