Search a number
-
+
13013112301 = 71859016043
BaseRepresentation
bin11000001111010010…
…00101010111101101
31020120220110121011021
430013221011113231
5203122324043201
65551140054141
7640322425630
oct140751052755
936526417137
1013013112301
115578620972
122632094351
1312c5013067
148b63bdc17
15512691ea1
hex307a455ed

13013112301 has 4 divisors (see below), whose sum is σ = 14872128352. Its totient is φ = 11154096252.

The previous prime is 13013112289. The next prime is 13013112311. The reversal of 13013112301 is 10321131031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10321131031 = 76829134339.

It is a cyclic number.

It is not a de Polignac number, because 13013112301 - 27 = 13013112173 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 (13013112311) 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, 929508015 + ... + 929508028.

It is an arithmetic number, because the mean of its divisors is an integer number (3718032088).

Almost surely, 213013112301 is an apocalyptic number.

It is an amenable number.

13013112301 is a deficient number, since it is larger than the sum of its proper divisors (1859016051).

13013112301 is an equidigital number, since it uses as much as digits as its factorization.

13013112301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859016050.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13013112301 its reverse (10321131031), we get a palindrome (23334243332).

The spelling of 13013112301 in words is "thirteen billion, thirteen million, one hundred twelve thousand, three hundred one".

Divisors: 1 7 1859016043 13013112301