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52131667551 = 3173310027249
BaseRepresentation
bin110000100011010010…
…100001111001011111
311222120010221002202220
4300203102201321133
51323231201330201
635540550320423
73523604601645
oct604322417137
9158503832686
1052131667551
1120121a70477
12a12a959113
134bba597882
1427478a1195
151551ab5036
hexc234a1e5f

52131667551 has 8 divisors (see below), whose sum is σ = 69549006000. Its totient is φ = 34734387072.

The previous prime is 52131667537. The next prime is 52131667571. The reversal of 52131667551 is 15576613125.

52131667551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52131667551 - 215 = 52131634783 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52131667571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008426 + ... + 5018823.

It is an arithmetic number, because the mean of its divisors is an integer number (8693625750).

Almost surely, 252131667551 is an apocalyptic number.

52131667551 is a deficient number, since it is larger than the sum of its proper divisors (17417338449).

52131667551 is a wasteful number, since it uses less digits than its factorization.

52131667551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028985.

The product of its digits is 189000, while the sum is 42.

The spelling of 52131667551 in words is "fifty-two billion, one hundred thirty-one million, six hundred sixty-seven thousand, five hundred fifty-one".

Divisors: 1 3 1733 5199 10027249 30081747 17377222517 52131667551