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13222300000 = 25557131453
BaseRepresentation
bin11000101000001110…
…00100100101100000
31021010111002102201211
430110013010211200
5204034402100000
610024011435504
7645442460410
oct142407044540
937114072654
1013222300000
115675709768
122690155b94
131329466270
148d60b4640
15525c137ba
hex3141c4960

13222300000 has 288 divisors, whose sum is σ = 40073310144. Its totient is φ = 4181760000.

The previous prime is 13222299997. The next prime is 13222300061. The reversal of 13222300000 is 322231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9099274 + ... + 9100726.

It is an arithmetic number, because the mean of its divisors is an integer number (139143438).

Almost surely, 213222300000 is an apocalyptic number.

13222300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20036655072).

13222300000 is an abundant number, since it is smaller than the sum of its proper divisors (26851010144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222300000 is an equidigital number, since it uses as much as digits as its factorization.

13222300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 13222300000 its reverse (322231), we get a palindrome (13222622231).

The spelling of 13222300000 in words is "thirteen billion, two hundred twenty-two million, three hundred thousand".