Search a number
-
+
52141020521 = 209392490139
BaseRepresentation
bin110000100011110110…
…001101010101101001
311222120210112021122012
4300203312031111221
51323241100124041
635541523005305
73524050235042
oct604366152551
9158523467565
1052141020521
11201272794a7
12a131b09835
134bbc4c0a85
142748c178c9
1515528113eb
hexc23d8d569

52141020521 has 4 divisors (see below), whose sum is σ = 52143531600. Its totient is φ = 52138509444.

The previous prime is 52141020497. The next prime is 52141020551. The reversal of 52141020521 is 12502014125.

52141020521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52141020521 - 214 = 52141004137 is a prime.

It is a super-2 number, since 2×521410205212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52141020551) 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, 1224131 + ... + 1266008.

It is an arithmetic number, because the mean of its divisors is an integer number (13035882900).

Almost surely, 252141020521 is an apocalyptic number.

It is an amenable number.

52141020521 is a deficient number, since it is larger than the sum of its proper divisors (2511079).

52141020521 is a wasteful number, since it uses less digits than its factorization.

52141020521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511078.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 52141020521 its reverse (12502014125), we get a palindrome (64643034646).

The spelling of 52141020521 in words is "fifty-two billion, one hundred forty-one million, twenty thousand, five hundred twenty-one".

Divisors: 1 20939 2490139 52141020521