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142411111 = 10110691319
BaseRepresentation
bin10000111110100…
…00010101100111
3100220222020022121
420133100111213
5242424123421
622044210411
73346321513
oct1037202547
9326866277
10142411111
1173429637
123b839a07
132367293b
1414cb1143
15c780d41
hex87d0567

142411111 has 8 divisors (see below), whose sum is σ = 144064800. Its totient is φ = 140762400.

The previous prime is 142411109. The next prime is 142411121. The reversal of 142411111 is 111114241.

142411111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142411111 - 21 = 142411109 is a prime.

It is a Duffinian number.

142411111 is a modest number, since divided by 11111 gives 1424 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142411121) 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, 107310 + ... + 108628.

It is an arithmetic number, because the mean of its divisors is an integer number (18008100).

Almost surely, 2142411111 is an apocalyptic number.

142411111 is a deficient number, since it is larger than the sum of its proper divisors (1653689).

142411111 is a wasteful number, since it uses less digits than its factorization.

142411111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its digits is 32, while the sum is 16.

The square root of 142411111 is about 11933.6126550178. The cubic root of 142411111 is about 522.2133357289.

Adding to 142411111 its reverse (111114241), we get a palindrome (253525352).

The spelling of 142411111 in words is "one hundred forty-two million, four hundred eleven thousand, one hundred eleven".

Divisors: 1 101 1069 1319 107969 133219 1410011 142411111