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2142045052 = 22776501609
BaseRepresentation
bin111111110101101…
…0000001101111100
312112021122011101221
41333223100031330
513341330420202
6552315243124
7104040040210
oct17753201574
95467564357
102142045052
119aa146174
124b94494a4
13281a1c4a4
141646b2940
15c80c0037
hex7fad037c

2142045052 has 12 divisors (see below), whose sum is σ = 4284090160. Its totient is φ = 918019296.

The previous prime is 2142045049. The next prime is 2142045077. The reversal of 2142045052 is 2505402412.

2142045052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38250777 + ... + 38250832.

Almost surely, 22142045052 is an apocalyptic number.

It is an amenable number.

2142045052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2142045052 is a wasteful number, since it uses less digits than its factorization.

2142045052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76501620 (or 76501618 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2142045052 is about 46282.2325736346. The cubic root of 2142045052 is about 1289.0691062651.

Adding to 2142045052 its reverse (2505402412), we get a palindrome (4647447464).

The spelling of 2142045052 in words is "two billion, one hundred forty-two million, forty-five thousand, fifty-two".

Divisors: 1 2 4 7 14 28 76501609 153003218 306006436 535511263 1071022526 2142045052