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13023220302101 = 19685432647479
BaseRepresentation
bin1011110110000011010001…
…1010111000000100010101
31201010000012121121002112102
42331200310122320010111
53201333023344131401
643410441304131445
72512616353043222
oct275406432700425
951100177532472
1013023220302101
114171131389409
121563ba2166b85
1373611358c649
14330481c9c949
15178b6ceb156b
hexbd8346b8115

13023220302101 has 4 divisors (see below), whose sum is σ = 13708652949600. Its totient is φ = 12337787654604.

The previous prime is 13023220302097. The next prime is 13023220302107. The reversal of 13023220302101 is 10120302232031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13023220302101 - 22 = 13023220302097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023220302107) 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, 342716323721 + ... + 342716323758.

It is an arithmetic number, because the mean of its divisors is an integer number (3427163237400).

Almost surely, 213023220302101 is an apocalyptic number.

It is an amenable number.

13023220302101 is a deficient number, since it is larger than the sum of its proper divisors (685432647499).

13023220302101 is an equidigital number, since it uses as much as digits as its factorization.

13023220302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685432647498.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13023220302101 its reverse (10120302232031), we get a palindrome (23143522534132).

The spelling of 13023220302101 in words is "thirteen trillion, twenty-three billion, two hundred twenty million, three hundred two thousand, one hundred one".

Divisors: 1 19 685432647479 13023220302101