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12140135 = 57595879
BaseRepresentation
bin101110010011…
…111001100111
3211211210010122
4232103321213
511101441020
61112112155
7205121660
oct56237147
924753118
1012140135
116942077
12409565b
132690a17
141880367
1510ec125
hexb93e67

12140135 has 16 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 8182176.

The previous prime is 12140131. The next prime is 12140143. The reversal of 12140135 is 53104121.

It is a cyclic number.

It is not a de Polignac number, because 12140135 - 22 = 12140131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875 + ... + 5004.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 212140135 is an apocalyptic number.

12140135 is a deficient number, since it is larger than the sum of its proper divisors (4794265).

12140135 is an equidigital number, since it uses as much as digits as its factorization.

12140135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12140135 is about 3484.2696508738. The cubic root of 12140135 is about 229.8305935909.

Adding to 12140135 its reverse (53104121), we get a palindrome (65244256).

The spelling of 12140135 in words is "twelve million, one hundred forty thousand, one hundred thirty-five".

Divisors: 1 5 7 35 59 295 413 2065 5879 29395 41153 205765 346861 1734305 2428027 12140135