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142330111 = 7111848443
BaseRepresentation
bin10000111101111…
…00100011111111
3100220211010012121
420132330203333
5242414030421
622042343411
73345533410
oct1036744377
9326733177
10142330111
11733837a0
123b7bab67
1323644b01
1414c8d807
15c766d41
hex87bc8ff

142330111 has 8 divisors (see below), whose sum is σ = 177450624. Its totient is φ = 110906520.

The previous prime is 142330099. The next prime is 142330117. The reversal of 142330111 is 111033241.

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 142330111 - 29 = 142329599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142330117) 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, 924145 + ... + 924298.

It is an arithmetic number, because the mean of its divisors is an integer number (22181328).

Almost surely, 2142330111 is an apocalyptic number.

142330111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142330111 is a deficient number, since it is larger than the sum of its proper divisors (35120513).

142330111 is a wasteful number, since it uses less digits than its factorization.

142330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848461.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 142330111 is about 11930.2183969951. The cubic root of 142330111 is about 522.1143095082.

Adding to 142330111 its reverse (111033241), we get a palindrome (253363352).

The spelling of 142330111 in words is "one hundred forty-two million, three hundred thirty thousand, one hundred eleven".

Divisors: 1 7 11 77 1848443 12939101 20332873 142330111