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13210100443 = 16381043561
BaseRepresentation
bin11000100110110001…
…00010001011011011
31021002122010122002101
430103120202023123
5204023241203233
610022454144231
7645234000241
oct142330421333
937078118071
1013210100443
115669836a91
122688052077
131326a844a7
148d461a791
15524b03c7d
hex3136222db

13210100443 has 4 divisors (see below), whose sum is σ = 13291144168. Its totient is φ = 13129056720.

The previous prime is 13210100441. The next prime is 13210100551. The reversal of 13210100443 is 34400101231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13210100443 - 21 = 13210100441 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 13210100443.

It is not an unprimeable number, because it can be changed into a prime (13210100441) 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, 40521618 + ... + 40521943.

It is an arithmetic number, because the mean of its divisors is an integer number (3322786042).

Almost surely, 213210100443 is an apocalyptic number.

13210100443 is a deficient number, since it is larger than the sum of its proper divisors (81043725).

13210100443 is an equidigital number, since it uses as much as digits as its factorization.

13210100443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81043724.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13210100443 its reverse (34400101231), we get a palindrome (47610201674).

The spelling of 13210100443 in words is "thirteen billion, two hundred ten million, one hundred thousand, four hundred forty-three".

Divisors: 1 163 81043561 13210100443