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11200424240 = 245140005303
BaseRepresentation
bin10100110111001100…
…01110100100110000
31001220120120111121102
422123212032210300
5140414302033430
65051223543532
7544362015035
oct123346164460
931816514542
1011200424240
114828390565
122206bbaba8
1310965cca85
1478376338c
1545847e345
hex29b98e930

11200424240 has 20 divisors (see below), whose sum is σ = 26040986544. Its totient is φ = 4480169664.

The previous prime is 11200424197. The next prime is 11200424243. The reversal of 11200424240 is 4242400211.

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

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 (11200424243) 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, 70002572 + ... + 70002731.

Almost surely, 211200424240 is an apocalyptic number.

11200424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200424240 is an abundant number, since it is smaller than the sum of its proper divisors (14840562304).

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

11200424240 is a wasteful number, since it uses less digits than its factorization.

11200424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140005316 (or 140005310 counting only the distinct ones).

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

Adding to 11200424240 its reverse (4242400211), we get a palindrome (15442824451).

The spelling of 11200424240 in words is "eleven billion, two hundred million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 140005303 280010606 560021212 700026515 1120042424 1400053030 2240084848 2800106060 5600212120 11200424240