Search a number
-
+
130111232303021 = 615693748630969
BaseRepresentation
bin11101100101010111100001…
…110010000101111110101101
3122001200111211111012202002112
4131211113201302011332231
5114023220300432144041
61140420135220133405
736256140425530214
oct3545274162057655
9561614744182075
10130111232303021
1138503955707892
1212714518537265
13577a58a176878
14241b5bacc007b
15100975995cdeb
hex7655e1c85fad

130111232303021 has 8 divisors (see below), whose sum is σ = 132476618479800. Its totient is φ = 127753343389440.

The previous prime is 130111232302979. The next prime is 130111232303071. The reversal of 130111232303021 is 120303232111031.

It can be written as a sum of positive squares in 4 ways, for example, as 4330207237225 + 125781025065796 = 2080915^2 + 11215214^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130111232303021 - 242 = 125713185791917 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 (130111232303071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874280776 + ... + 1874350193.

It is an arithmetic number, because the mean of its divisors is an integer number (16559577309975).

Almost surely, 2130111232303021 is an apocalyptic number.

It is an amenable number.

130111232303021 is a deficient number, since it is larger than the sum of its proper divisors (2365386176779).

130111232303021 is an equidigital number, since it uses as much as digits as its factorization.

130111232303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748631599.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 130111232303021 its reverse (120303232111031), we get a palindrome (250414464414052).

The spelling of 130111232303021 in words is "one hundred thirty trillion, one hundred eleven billion, two hundred thirty-two million, three hundred three thousand, twenty-one".

Divisors: 1 61 569 34709 3748630969 228666489109 2132971021361 130111232303021