Search a number
-
+
11200220320 = 2551943471823
BaseRepresentation
bin10100110111001010…
…11100110010100000
31001220120012010212211
422123211130302200
5140414224022240
65051215331504
7544360205362
oct123345346240
931816163784
1011200220320
114828261333
122206b20b94
13109655b003
1478370cd32
1545843dbea
hex29b95cca0

11200220320 has 192 divisors, whose sum is σ = 29123297280. Its totient is φ = 4055159808.

The previous prime is 11200220303. The next prime is 11200220329. The reversal of 11200220320 is 2302200211.

It is a self number, because there is not a number n which added to its sum of digits gives 11200220320.

It is not an unprimeable number, because it can be changed into a prime (11200220329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6142929 + ... + 6144751.

It is an arithmetic number, because the mean of its divisors is an integer number (151683840).

Almost surely, 211200220320 is an apocalyptic number.

11200220320 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 11200220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14561648640).

11200220320 is an abundant number, since it is smaller than the sum of its proper divisors (17923076960).

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

11200220320 is a wasteful number, since it uses less digits than its factorization.

11200220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 11200220320 its reverse (2302200211), we get a palindrome (13502420531).

The spelling of 11200220320 in words is "eleven billion, two hundred million, two hundred twenty thousand, three hundred twenty".