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2011200442 = 21138899117
BaseRepresentation
bin111011111100000…
…0111101110111010
312012011102120100021
41313320013232322
513104331403232
6531323001054
7100560631066
oct16770075672
95164376307
102011200442
119422a7729
1248166918a
13260899444
14151172aa6
15bb876397
hex77e07bba

2011200442 has 8 divisors (see below), whose sum is σ = 3043498356. Its totient is φ = 996700992.

The previous prime is 2011200403. The next prime is 2011200449. The reversal of 2011200442 is 2440021102.

It can be written as a sum of positive squares in 2 ways, for example, as 1490037201 + 521163241 = 38601^2 + 22829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2011200449) 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, 4449333 + ... + 4449784.

Almost surely, 22011200442 is an apocalyptic number.

2011200442 is a deficient number, since it is larger than the sum of its proper divisors (1032297914).

2011200442 is a wasteful number, since it uses less digits than its factorization.

2011200442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899232.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2011200442 is about 44846.4094660877. The cubic root of 2011200442 is about 1262.2686184731.

Adding to 2011200442 its reverse (2440021102), we get a palindrome (4451221544).

The spelling of 2011200442 in words is "two billion, eleven million, two hundred thousand, four hundred forty-two".

Divisors: 1 2 113 226 8899117 17798234 1005600221 2011200442