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111030141 = 337010047
BaseRepresentation
bin1101001111000…
…10111101111101
321201220220201110
412213202331331
5211410431031
615003432233
72515512015
oct647427575
9251826643
10111030141
1157745652
1231225679
131a006211
1410a62c45
159b32c46
hex69e2f7d

111030141 has 4 divisors (see below), whose sum is σ = 148040192. Its totient is φ = 74020092.

The previous prime is 111030133. The next prime is 111030151. The reversal of 111030141 is 141030111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111030141 - 23 = 111030133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111030151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18505021 + ... + 18505026.

It is an arithmetic number, because the mean of its divisors is an integer number (37010048).

Almost surely, 2111030141 is an apocalyptic number.

It is an amenable number.

111030141 is a deficient number, since it is larger than the sum of its proper divisors (37010051).

111030141 is an equidigital number, since it uses as much as digits as its factorization.

111030141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37010050.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 111030141 is about 10537.0840843186. The cubic root of 111030141 is about 480.6330492828.

Adding to 111030141 its reverse (141030111), we get a palindrome (252060252).

The spelling of 111030141 in words is "one hundred eleven million, thirty thousand, one hundred forty-one".

Divisors: 1 3 37010047 111030141