Search a number
-
+
6330052621 = 21107299903
BaseRepresentation
bin1011110010100110…
…01111000000001101
3121100011002222202101
411321103033000031
5100430443140441
62524042555101
7312602362624
oct57123170015
917304088671
106330052621
112759171252
121287b08a91
1379b589789
144409a66bb
15270ad1231
hex1794cf00d

6330052621 has 4 divisors (see below), whose sum is σ = 6330373632. Its totient is φ = 6329731612.

The previous prime is 6330052613. The next prime is 6330052627. The reversal of 6330052621 is 1262500336.

6330052621 is digitally balanced in base 3, 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 6330052621 - 23 = 6330052613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6330052621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6330052627) 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, 128845 + ... + 171058.

It is an arithmetic number, because the mean of its divisors is an integer number (1582593408).

Almost surely, 26330052621 is an apocalyptic number.

It is an amenable number.

6330052621 is a deficient number, since it is larger than the sum of its proper divisors (321011).

6330052621 is a wasteful number, since it uses less digits than its factorization.

6330052621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321010.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 6330052621 is about 79561.6278176861. The cubic root of 6330052621 is about 1849.8468459529.

Adding to 6330052621 its reverse (1262500336), we get a palindrome (7592552957).

It can be divided in two parts, 63300 and 52621, that added together give a triangular number (115921 = T481).

The spelling of 6330052621 in words is "six billion, three hundred thirty million, fifty-two thousand, six hundred twenty-one".

Divisors: 1 21107 299903 6330052621