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1242113411 = 71116131343
BaseRepresentation
bin100101000001001…
…0010010110000011
310012120020220021102
41022002102112003
510020440112121
6323130445015
742531534620
oct11202222603
93176226242
101242113411
11588160210
122a7b9376b
1316a44ac66
14bad73347
15740a890b
hex4a092583

1242113411 has 8 divisors (see below), whose sum is σ = 1548609024. Its totient is φ = 967880520.

The previous prime is 1242113401. The next prime is 1242113423. The reversal of 1242113411 is 1143112421.

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 1242113411 - 210 = 1242112387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242113401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8065595 + ... + 8065748.

It is an arithmetic number, because the mean of its divisors is an integer number (193576128).

Almost surely, 21242113411 is an apocalyptic number.

1242113411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1242113411 is a deficient number, since it is larger than the sum of its proper divisors (306495613).

1242113411 is a wasteful number, since it uses less digits than its factorization.

1242113411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16131361.

The product of its digits is 192, while the sum is 20.

The square root of 1242113411 is about 35243.6293675893. The cubic root of 1242113411 is about 1074.9470782673.

Adding to 1242113411 its reverse (1143112421), we get a palindrome (2385225832).

The spelling of 1242113411 in words is "one billion, two hundred forty-two million, one hundred thirteen thousand, four hundred eleven".

Divisors: 1 7 11 77 16131343 112919401 177444773 1242113411