Search a number
-
+
13020113101 = 47277023683
BaseRepresentation
bin11000010000000111…
…10010100011001101
31020121101122021110011
430020003302203031
5203131122104401
65551550113221
7640436064262
oct141003624315
936541567404
1013020113101
115581572756
1226344ab811
1312c65c4748
148b72c3269
155130c6451
hex3080f28cd

13020113101 has 4 divisors (see below), whose sum is σ = 13297136832. Its totient is φ = 12743089372.

The previous prime is 13020113023. The next prime is 13020113107. The reversal of 13020113101 is 10131102031.

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: 10131102031 = 23440482697.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13020113101 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 (13020113107) 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, 138511795 + ... + 138511888.

It is an arithmetic number, because the mean of its divisors is an integer number (3324284208).

Almost surely, 213020113101 is an apocalyptic number.

It is an amenable number.

13020113101 is a deficient number, since it is larger than the sum of its proper divisors (277023731).

13020113101 is an equidigital number, since it uses as much as digits as its factorization.

13020113101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277023730.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13020113101 its reverse (10131102031), we get a palindrome (23151215132).

The spelling of 13020113101 in words is "thirteen billion, twenty million, one hundred thirteen thousand, one hundred one".

Divisors: 1 47 277023683 13020113101