Search a number
-
+
6530000642 = 211319574781
BaseRepresentation
bin1100001010011011…
…11110011100000010
3121212002100101212122
412011031332130002
5101333140010032
62555544324242
7320551042514
oct60515763402
917762311778
106530000642
112851019150
121322a73682
13800b26209
1445d373bb4
1528342a012
hex18537e702

6530000642 has 16 divisors (see below), whose sum is σ = 11030148864. Its totient is φ = 2872434000.

The previous prime is 6530000641. The next prime is 6530000663. The reversal of 6530000642 is 2460000356.

It is not an unprimeable number, because it can be changed into a prime (6530000641) 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, 4786709 + ... + 4788072.

It is an arithmetic number, because the mean of its divisors is an integer number (689384304).

Almost surely, 26530000642 is an apocalyptic number.

6530000642 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6530000642 is a deficient number, since it is larger than the sum of its proper divisors (4500148222).

6530000642 is a wasteful number, since it uses less digits than its factorization.

6530000642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574825.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 6530000642 is about 80808.4193757061. The cubic root of 6530000642 is about 1869.1223962099.

Adding to 6530000642 its reverse (2460000356), we get a palindrome (8990000998).

The spelling of 6530000642 in words is "six billion, five hundred thirty million, six hundred forty-two", and thus it is an aban number.

Divisors: 1 2 11 22 31 62 341 682 9574781 19149562 105322591 210645182 296818211 593636422 3265000321 6530000642