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13163141551 = 76173047729
BaseRepresentation
bin11000100001001010…
…11001100110101111
31020222100202212121011
430100211121212233
5203424231012201
610014055450051
7644123566660
oct142045314657
936870685534
1013163141551
11564528308a
122674386927
13131a122371
148cc2b5367
1552092a151
hex3109599af

13163141551 has 8 divisors (see below), whose sum is σ = 15067977120. Its totient is φ = 11264402688.

The previous prime is 13163141507. The next prime is 13163141567. The reversal of 13163141551 is 15514136131.

13163141551 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 13163141551 - 217 = 13163010479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13163141501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519546 + ... + 1528183.

It is an arithmetic number, because the mean of its divisors is an integer number (1883497140).

Almost surely, 213163141551 is an apocalyptic number.

13163141551 is a deficient number, since it is larger than the sum of its proper divisors (1904835569).

13163141551 is an equidigital number, since it uses as much as digits as its factorization.

13163141551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048353.

The product of its digits is 5400, while the sum is 31.

Adding to 13163141551 its reverse (15514136131), we get a palindrome (28677277682).

The spelling of 13163141551 in words is "thirteen billion, one hundred sixty-three million, one hundred forty-one thousand, five hundred fifty-one".

Divisors: 1 7 617 4319 3047729 21334103 1880448793 13163141551