Search a number
-
+
52505145102 = 238750857517
BaseRepresentation
bin110000111001100011…
…001110111100001110
312000112011200201122210
4300321203032330032
51330012304120402
640042011251250
73536061240534
oct607143167416
9160464621583
1052505145102
11202a3870703
12a213a49b26
134c49a80cc7
142781320154
15157478a06c
hexc398cef0e

52505145102 has 8 divisors (see below), whose sum is σ = 105010290216. Its totient is φ = 17501715032.

The previous prime is 52505145101. The next prime is 52505145113. The reversal of 52505145102 is 20154150525.

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

52505145102 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 52505145102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52505145101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375428753 + ... + 4375428764.

It is an arithmetic number, because the mean of its divisors is an integer number (13126286277).

Almost surely, 252505145102 is an apocalyptic number.

52505145102 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.

52505145102 is a wasteful number, since it uses less digits than its factorization.

52505145102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750857522.

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 52505145102 its reverse (20154150525), we get a palindrome (72659295627).

The spelling of 52505145102 in words is "fifty-two billion, five hundred five million, one hundred forty-five thousand, one hundred two".

Divisors: 1 2 3 6 8750857517 17501715034 26252572551 52505145102