Search a number
-
+
27143514642 = 234523919107
BaseRepresentation
bin11001010001111000…
…010010101000010010
32121001200022102010010
4121101320102220102
5421042214432032
620245231415350
71650433032126
oct312170225022
977050272103
1027143514642
1110569896332
125316384556
13273764b88a
141456d1d586
15a8ce82ccc
hex651e12a12

27143514642 has 8 divisors (see below), whose sum is σ = 54287029296. Its totient is φ = 9047838212.

The previous prime is 27143514641. The next prime is 27143514667. The reversal of 27143514642 is 24641534172.

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

27143514642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 27143514642.

It is not an unprimeable number, because it can be changed into a prime (27143514641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261959548 + ... + 2261959559.

It is an arithmetic number, because the mean of its divisors is an integer number (6785878662).

Almost surely, 227143514642 is an apocalyptic number.

27143514642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27143514642 is a wasteful number, since it uses less digits than its factorization.

27143514642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523919112.

The product of its digits is 161280, while the sum is 39.

The spelling of 27143514642 in words is "twenty-seven billion, one hundred forty-three million, five hundred fourteen thousand, six hundred forty-two".

Divisors: 1 2 3 6 4523919107 9047838214 13571757321 27143514642