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627021530141 = 1013618974857
BaseRepresentation
bin10010001111111010110…
…01010100010000011101
32012221110012122000022212
421013331121110100131
540233120002431031
61200014423250205
763205115032166
oct11077531242035
92187405560285
10627021530141
11221a11342096
12a16302a9965
1347187c38ab6
14224c2ccc76d
151149c25712b
hex91fd65441d

627021530141 has 4 divisors (see below), whose sum is σ = 627640506012. Its totient is φ = 626402554272.

The previous prime is 627021530129. The next prime is 627021530143. The reversal of 627021530141 is 141035120726.

627021530141 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.

It can be written as a sum of positive squares in 2 ways, for example, as 41873027641 + 585148502500 = 204629^2 + 764950^2 .

It is a cyclic number.

It is not a de Polignac number, because 627021530141 - 218 = 627021267997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 627021530098 and 627021530107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627021530143) 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, 309486416 + ... + 309488441.

It is an arithmetic number, because the mean of its divisors is an integer number (156910126503).

Almost surely, 2627021530141 is an apocalyptic number.

It is an amenable number.

627021530141 is a deficient number, since it is larger than the sum of its proper divisors (618975871).

627021530141 is a wasteful number, since it uses less digits than its factorization.

627021530141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618975870.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 627021530141 its reverse (141035120726), we get a palindrome (768056650867).

The spelling of 627021530141 in words is "six hundred twenty-seven billion, twenty-one million, five hundred thirty thousand, one hundred forty-one".

Divisors: 1 1013 618974857 627021530141