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140161141 = 1771911467
BaseRepresentation
bin10000101101010…
…11000001110101
3100202201220221101
420112223001311
5241340124031
621524050101
73321231031
oct1026530165
9322656841
10140161141
117213215a
123ab33931
13230657b3
14148871c1
15c489361
hex85ab075

140161141 has 8 divisors (see below), whose sum is σ = 148625280. Its totient is φ = 131721408.

The previous prime is 140161111. The next prime is 140161183. The reversal of 140161141 is 141161041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140161141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140161111) 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 7 ways as a sum of consecutive naturals, for example, 6490 + ... + 17956.

It is an arithmetic number, because the mean of its divisors is an integer number (18578160).

Almost surely, 2140161141 is an apocalyptic number.

It is an amenable number.

140161141 is a deficient number, since it is larger than the sum of its proper divisors (8464139).

140161141 is a wasteful number, since it uses less digits than its factorization.

140161141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 140161141 is about 11838.9670579827. The cubic root of 140161141 is about 519.4485537261.

The spelling of 140161141 in words is "one hundred forty million, one hundred sixty-one thousand, one hundred forty-one".

Divisors: 1 17 719 11467 12223 194939 8244773 140161141