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140107018 = 2400117509
BaseRepresentation
bin10000101100111…
…01110100001010
3100202122011200211
420112131310022
5241331411033
621522551334
73320614162
oct1026356412
9322564624
10140107018
11720a5527
123ab0854a
1323046c7c
14148715a2
15c4782cd
hex859dd0a

140107018 has 8 divisors (see below), whose sum is σ = 210225060. Its totient is φ = 70032000.

The previous prime is 140107003. The next prime is 140107031. The reversal of 140107018 is 810701041.

140107018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 89170249 + 50936769 = 9443^2 + 7137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 140107018.

It is an unprimeable number.

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, 753 + ... + 16756.

Almost surely, 2140107018 is an apocalyptic number.

140107018 is a deficient number, since it is larger than the sum of its proper divisors (70118042).

140107018 is a wasteful number, since it uses less digits than its factorization.

140107018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21512.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 140107018 is about 11836.6810381965. The cubic root of 140107018 is about 519.3816837092.

Adding to 140107018 its reverse (810701041), we get a palindrome (950808059).

The spelling of 140107018 in words is "one hundred forty million, one hundred seven thousand, eighteen".

Divisors: 1 2 4001 8002 17509 35018 70053509 140107018