Search a number
-
+
13001021222 = 27928644373
BaseRepresentation
bin11000001101110101…
…11101011100100110
31020120001201022022112
430012322331130212
5203111230134342
65550025001022
7640114566650
oct140672753446
936501638275
1013001021222
115571812742
12262a023172
1312c266b787
148b49536d0
155115a4682
hex306ebd726

13001021222 has 8 divisors (see below), whose sum is σ = 22287464976. Its totient is φ = 5571866232.

The previous prime is 13001021219. The next prime is 13001021227. The reversal of 13001021222 is 22212010031.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 928644373 = 13001021222 / (1 + 3 + 0 + 0 + 1 + 0 + 2 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 13001021197 and 13001021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001021227) 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, 464322173 + ... + 464322200.

It is an arithmetic number, because the mean of its divisors is an integer number (2785933122).

Almost surely, 213001021222 is an apocalyptic number.

13001021222 is a deficient number, since it is larger than the sum of its proper divisors (9286443754).

13001021222 is an equidigital number, since it uses as much as digits as its factorization.

13001021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928644382.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 13001021222 its reverse (22212010031), we get a palindrome (35213031253).

The spelling of 13001021222 in words is "thirteen billion, one million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 7 14 928644373 1857288746 6500510611 13001021222