Search a number
-
+
52350531045013 = 167971311664103
BaseRepresentation
bin10111110011100110011101…
…10011101000011010010101
320212100122212112000012021201
423321303032303220122111
523330202341421420023
6303201300231112501
714012125650561505
oct1371631663503225
9225318775005251
1052350531045013
111575380aaaa1a3
125a55a72b12731
13232983188a586
14ccdaca283a05
1560bb565dcbad
hex2f9ccece8695

52350531045013 has 4 divisors (see below), whose sum is σ = 52350842877088. Its totient is φ = 52350219212940.

The previous prime is 52350531045011. The next prime is 52350531045091. The reversal of 52350531045013 is 31054013505325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52350531045013 - 21 = 52350531045011 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 (52350531045011) 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, 155664081 + ... + 156000022.

It is an arithmetic number, because the mean of its divisors is an integer number (13087710719272).

Almost surely, 252350531045013 is an apocalyptic number.

It is an amenable number.

52350531045013 is a deficient number, since it is larger than the sum of its proper divisors (311832075).

52350531045013 is a wasteful number, since it uses less digits than its factorization.

52350531045013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311832074.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 52350531045013 in words is "fifty-two trillion, three hundred fifty billion, five hundred thirty-one million, forty-five thousand, thirteen".

Divisors: 1 167971 311664103 52350531045013