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11122010320 = 245139025129
BaseRepresentation
bin10100101101110110…
…00110100011010000
31001201010000122221011
422112323012203100
5140234213312240
65035343140304
7542420346031
oct122673064320
931633018834
1011122010320
1147980a2a73
1221a48a4694
1310832a65c5
14777190a88
154516406ea
hex296ec68d0

11122010320 has 20 divisors (see below), whose sum is σ = 25858674180. Its totient is φ = 4448804096.

The previous prime is 11122010311. The next prime is 11122010323. The reversal of 11122010320 is 2301022111.

It can be written as a sum of positive squares in 2 ways, for example, as 3492337216 + 7629673104 = 59096^2 + 87348^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×111220103202 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11122010320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122010323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69512485 + ... + 69512644.

It is an arithmetic number, because the mean of its divisors is an integer number (1292933709).

Almost surely, 211122010320 is an apocalyptic number.

11122010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122010320 is an abundant number, since it is smaller than the sum of its proper divisors (14736663860).

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

11122010320 is a wasteful number, since it uses less digits than its factorization.

11122010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139025142 (or 139025136 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11122010320 its reverse (2301022111), we get a palindrome (13423032431).

The spelling of 11122010320 in words is "eleven billion, one hundred twenty-two million, ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 139025129 278050258 556100516 695125645 1112201032 1390251290 2224402064 2780502580 5561005160 11122010320