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140143051 = 2918126699
BaseRepresentation
bin10000101101001…
…10100111001011
3100202201000010101
420112212213023
5241334034201
621523430231
73321124216
oct1026464713
9322630111
10140143051
117211a604
123ab25377
132305a4a9
141488077d
15c483d01
hex85a69cb

140143051 has 8 divisors (see below), whose sum is σ = 145782000. Its totient is φ = 134557920.

The previous prime is 140143039. The next prime is 140143057. The reversal of 140143051 is 150341041.

140143051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 140143051 - 27 = 140142923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140143057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8101 + ... + 18598.

It is an arithmetic number, because the mean of its divisors is an integer number (18222750).

Almost surely, 2140143051 is an apocalyptic number.

140143051 is a deficient number, since it is larger than the sum of its proper divisors (5638949).

140143051 is a wasteful number, since it uses less digits than its factorization.

140143051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26909.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 140143051 is about 11838.2030308658. The cubic root of 140143051 is about 519.4262050957.

Adding to 140143051 its reverse (150341041), we get a palindrome (290484092).

The spelling of 140143051 in words is "one hundred forty million, one hundred forty-three thousand, fifty-one".

Divisors: 1 29 181 5249 26699 774271 4832519 140143051