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13012032301 = 29448690769
BaseRepresentation
bin11000001111001001…
…11101101100101101
31020120211102201200021
430013210331230231
5203122040013201
65551101002141
7640310310142
oct140744755455
936524381607
1013012032301
115577a53504
122631853351
1312c4a255c8
148b61bc3c9
1551252bea1
hex30793db2d

13012032301 has 4 divisors (see below), whose sum is σ = 13460723100. Its totient is φ = 12563341504.

The previous prime is 13012032247. The next prime is 13012032323. The reversal of 13012032301 is 10323021031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3057979401 + 9954052900 = 55299^2 + 99770^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012032301 - 217 = 13011901229 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 (13012032001) 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 3 ways as a sum of consecutive naturals, for example, 224345356 + ... + 224345413.

It is an arithmetic number, because the mean of its divisors is an integer number (3365180775).

Almost surely, 213012032301 is an apocalyptic number.

It is an amenable number.

13012032301 is a deficient number, since it is larger than the sum of its proper divisors (448690799).

13012032301 is an equidigital number, since it uses as much as digits as its factorization.

13012032301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448690798.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13012032301 its reverse (10323021031), we get a palindrome (23335053332).

The spelling of 13012032301 in words is "thirteen billion, twelve million, thirty-two thousand, three hundred one".

Divisors: 1 29 448690769 13012032301