Search a number
-
+
531242321245134 = 2388540386874189
BaseRepresentation
bin111100011001010010111110…
…1110110001111001111001110
32120122222021021202212112002120
41320302211331312033033032
51024112333233214321014
65121505204144433410
7216616663646035362
oct17062457566171716
92518867252775076
10531242321245134
111442a766a97a864
124b6ba3a2618866
1319a56c22343405
1495283a08db2a2
154163c72a65ba9
hex1e3297dd8f3ce

531242321245134 has 8 divisors (see below), whose sum is σ = 1062484642490280. Its totient is φ = 177080773748376.

The previous prime is 531242321245121. The next prime is 531242321245151. The reversal of 531242321245134 is 431542123242135.

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

531242321245134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44270193437089 + ... + 44270193437100.

It is an arithmetic number, because the mean of its divisors is an integer number (132810580311285).

Almost surely, 2531242321245134 is an apocalyptic number.

531242321245134 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.

531242321245134 is a wasteful number, since it uses less digits than its factorization.

531242321245134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88540386874194.

The product of its digits is 691200, while the sum is 42.

Adding to 531242321245134 its reverse (431542123242135), we get a palindrome (962784444487269).

The spelling of 531242321245134 in words is "five hundred thirty-one trillion, two hundred forty-two billion, three hundred twenty-one million, two hundred forty-five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 88540386874189 177080773748378 265621160622567 531242321245134