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11807408042 = 241143992781
BaseRepresentation
bin10101111111100011…
…01011111110101010
31010110212201110211222
422333301223332222
5143140144024132
65231345422042
7565412212103
oct127761537652
933425643758
1011807408042
115009a79471
12235633a922
1311622a23a1
148002073aa
154918cb412
hex2bfc6bfaa

11807408042 has 8 divisors (see below), whose sum is σ = 18143090532. Its totient is φ = 5759711200.

The previous prime is 11807408033. The next prime is 11807408047. The reversal of 11807408042 is 24080470811.

It can be written as a sum of positive squares in 2 ways, for example, as 11802866881 + 4541161 = 108641^2 + 2131^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11807407993 and 11807408011.

It is not an unprimeable number, because it can be changed into a prime (11807408047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71996309 + ... + 71996472.

Almost surely, 211807408042 is an apocalyptic number.

11807408042 is a deficient number, since it is larger than the sum of its proper divisors (6335682490).

11807408042 is a wasteful number, since it uses less digits than its factorization.

11807408042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143992824.

The product of its (nonzero) digits is 14336, while the sum is 35.

Adding to 11807408042 its reverse (24080470811), we get a palindrome (35887878853).

The spelling of 11807408042 in words is "eleven billion, eight hundred seven million, four hundred eight thousand, forty-two".

Divisors: 1 2 41 82 143992781 287985562 5903704021 11807408042