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13200501643 = 78872126027
BaseRepresentation
bin11000100101100111…
…11010101110001011
31021001222001222000021
430102303322232023
5204013312023033
610021512321311
7645056261350
oct142263725613
937058058007
1013200501643
11566438029a
1226849a3237
131324aa3424
148d323c627
15523d59b2d
hex312cfab8b

13200501643 has 8 divisors (see below), whose sum is σ = 15103302912. Its totient is φ = 11301954216.

The previous prime is 13200501641. The next prime is 13200501647. The reversal of 13200501643 is 34610500231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13200501643 - 21 = 13200501641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200501641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056805 + ... + 1069222.

It is an arithmetic number, because the mean of its divisors is an integer number (1887912864).

Almost surely, 213200501643 is an apocalyptic number.

13200501643 is a deficient number, since it is larger than the sum of its proper divisors (1902801269).

13200501643 is an equidigital number, since it uses as much as digits as its factorization.

13200501643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126921.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 13200501643 in words is "thirteen billion, two hundred million, five hundred one thousand, six hundred forty-three".

Divisors: 1 7 887 6209 2126027 14882189 1885785949 13200501643