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11202244040 = 2351321542777
BaseRepresentation
bin10100110111011010…
…01010110111001000
31001220200222221220102
422123231022313020
5140420233302130
65051330544532
7544413334421
oct123355126710
931820887812
1011202244040
114829413829
122207738148
131096ab9190
14783ab8648
154586dd645
hex29bb4adc8

11202244040 has 32 divisors (see below), whose sum is σ = 27143900280. Its totient is φ = 4136212992.

The previous prime is 11202244019. The next prime is 11202244043. The reversal of 11202244040 is 4044220211.

It can be written as a sum of positive squares in 4 ways, for example, as 4472666884 + 6729577156 = 66878^2 + 82034^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11202244043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10770869 + ... + 10771908.

Almost surely, 211202244040 is an apocalyptic number.

11202244040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202244040 is an abundant number, since it is smaller than the sum of its proper divisors (15941656240).

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

11202244040 is a wasteful number, since it uses less digits than its factorization.

11202244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21542801 (or 21542797 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 11202244040 its reverse (4044220211), we get a palindrome (15246464251).

The spelling of 11202244040 in words is "eleven billion, two hundred two million, two hundred forty-four thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 21542777 43085554 86171108 107713885 172342216 215427770 280056101 430855540 560112202 861711080 1120224404 1400280505 2240448808 2800561010 5601122020 11202244040