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6485520151 = 112383308849
BaseRepresentation
bin1100000101001000…
…10010111100010111
3121201222122120010001
412002210102330113
5101240243121101
62551315112131
7316501004005
oct60244227427
917658576101
106485520151
1128289a8310
12130bba2647
137c48511b6
144574b5a75
1527e590901
hex182912f17

6485520151 has 16 divisors (see below), whose sum is σ = 7471699200. Its totient is φ = 5571617920.

The previous prime is 6485520103. The next prime is 6485520187. The reversal of 6485520151 is 1510255846.

It is not a de Polignac number, because 6485520151 - 225 = 6451965719 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 6485520151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485520101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133426 + ... + 175423.

It is an arithmetic number, because the mean of its divisors is an integer number (466981200).

Almost surely, 26485520151 is an apocalyptic number.

6485520151 is a deficient number, since it is larger than the sum of its proper divisors (986179049).

6485520151 is a wasteful number, since it uses less digits than its factorization.

6485520151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308966.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 6485520151 is about 80532.7272045347. The cubic root of 6485520151 is about 1864.8687481514.

Adding to 6485520151 its reverse (1510255846), we get a palindrome (7995775997).

The spelling of 6485520151 in words is "six billion, four hundred eighty-five million, five hundred twenty thousand, one hundred fifty-one".

Divisors: 1 11 23 83 253 913 1909 20999 308849 3397339 7103527 25634467 78138797 281979137 589592741 6485520151