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11003221320 = 233571337113241
BaseRepresentation
bin10100011111101011…
…11101010101001000
31001101211111120001120
422033311331111020
5140013311040240
65015501115240
7536445560310
oct121765752510
931354446046
1011003221320
114737039043
122170b58b20
1310647b4960
147654ac440
15445ec8ad0
hex28fd7d548

11003221320 has 512 divisors, whose sum is σ = 42269230080. Its totient is φ = 2229534720.

The previous prime is 11003221319. The next prime is 11003221331. The reversal of 11003221320 is 2312230011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11003221320.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 45656400 + ... + 45656640.

It is an arithmetic number, because the mean of its divisors is an integer number (82557090).

Almost surely, 211003221320 is an apocalyptic number.

11003221320 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 11003221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21134615040).

11003221320 is an abundant number, since it is smaller than the sum of its proper divisors (31266008760).

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

11003221320 is a wasteful number, since it uses less digits than its factorization.

11003221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11003221320 its reverse (2312230011), we get a palindrome (13315451331).

The spelling of 11003221320 in words is "eleven billion, three million, two hundred twenty-one thousand, three hundred twenty".