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11202441220 = 225560122061
BaseRepresentation
bin10100110111011011…
…11011000000000100
31001220201100222101101
422123231323000010
5140420311104340
65051335105444
7544415115325
oct123355730004
931821328341
1011202441220
114829538993
122207812284
131096b57b59
14783b2a44c
1545872bc9a
hex29bb7b004

11202441220 has 12 divisors (see below), whose sum is σ = 23525126604. Its totient is φ = 4480976480.

The previous prime is 11202441209. The next prime is 11202441223. The reversal of 11202441220 is 2214420211.

It can be written as a sum of positive squares in 2 ways, for example, as 7834728196 + 3367713024 = 88514^2 + 58032^2 .

It is not an unprimeable number, because it can be changed into a prime (11202441223) 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, 280061011 + ... + 280061050.

It is an arithmetic number, because the mean of its divisors is an integer number (1960427217).

Almost surely, 211202441220 is an apocalyptic number.

11202441220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202441220 is an abundant number, since it is smaller than the sum of its proper divisors (12322685384).

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

11202441220 is a wasteful number, since it uses less digits than its factorization.

11202441220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560122070 (or 560122068 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11202441220 its reverse (2214420211), we get a palindrome (13416861431).

The spelling of 11202441220 in words is "eleven billion, two hundred two million, four hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 560122061 1120244122 2240488244 2800610305 5601220610 11202441220