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126144113 = 292149993
BaseRepresentation
bin1111000010011…
…00111001110001
322210100210012012
413201030321301
5224243102423
620303412305
73061131044
oct741147161
9283323165
10126144113
1165228a37
12362b4095
13201986b4
1412a78c5b
15b11b078
hex784ce71

126144113 has 6 divisors (see below), whose sum is σ = 130644774. Its totient is φ = 121793504.

The previous prime is 126144107. The next prime is 126144133. The reversal of 126144113 is 311441621.

It can be written as a sum of positive squares in 3 ways, for example, as 14799409 + 111344704 = 3847^2 + 10552^2 .

It is a de Polignac number, because none of the positive numbers 2k-126144113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126144133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74156 + ... + 75837.

It is an arithmetic number, because the mean of its divisors is an integer number (21774129).

Almost surely, 2126144113 is an apocalyptic number.

It is an amenable number.

126144113 is a deficient number, since it is larger than the sum of its proper divisors (4500661).

126144113 is an equidigital number, since it uses as much as digits as its factorization.

126144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150051 (or 150022 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 126144113 is about 11231.3896290708. The cubic root of 126144113 is about 501.5208533201.

Adding to 126144113 its reverse (311441621), we get a palindrome (437585734).

The spelling of 126144113 in words is "one hundred twenty-six million, one hundred forty-four thousand, one hundred thirteen".

Divisors: 1 29 841 149993 4349797 126144113