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140131411 = 720018773
BaseRepresentation
bin10000101101000…
…11110001010011
3100202200102011021
420112203301103
5241333201121
621523300311
73321045250
oct1026436123
9322612137
10140131411
1172111892
123ab1a697
13230550c4
141487a427
15c480641
hex85a3c53

140131411 has 4 divisors (see below), whose sum is σ = 160150192. Its totient is φ = 120112632.

The previous prime is 140131379. The next prime is 140131423. The reversal of 140131411 is 114131041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140131411 - 25 = 140131379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140131471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10009380 + ... + 10009393.

It is an arithmetic number, because the mean of its divisors is an integer number (40037548).

Almost surely, 2140131411 is an apocalyptic number.

140131411 is a deficient number, since it is larger than the sum of its proper divisors (20018781).

140131411 is an equidigital number, since it uses as much as digits as its factorization.

140131411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20018780.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 140131411 is about 11837.7113919879. The cubic root of 140131411 is about 519.4118238655.

Adding to 140131411 its reverse (114131041), we get a palindrome (254262452).

The spelling of 140131411 in words is "one hundred forty million, one hundred thirty-one thousand, four hundred eleven".

Divisors: 1 7 20018773 140131411