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2755989442 = 21781058513
BaseRepresentation
bin1010010001000101…
…0000111111000010
321010001212202210001
42210101100333002
521121013130232
61133250230214
7125203344433
oct24421207702
97101782701
102755989442
111194758728
1264ab8536a
1334bc8b0ab
141c204948a
15111e446e7
hexa4450fc2

2755989442 has 8 divisors (see below), whose sum is σ = 4377159756. Its totient is φ = 1296936192.

The previous prime is 2755989433. The next prime is 2755989469. The reversal of 2755989442 is 2449895572.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2687281921 + 68707521 = 51839^2 + 8289^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40529223 + ... + 40529290.

Almost surely, 22755989442 is an apocalyptic number.

2755989442 is a deficient number, since it is larger than the sum of its proper divisors (1621170314).

2755989442 is a wasteful number, since it uses less digits than its factorization.

2755989442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81058532.

The product of its digits is 7257600, while the sum is 55.

The square root of 2755989442 is about 52497.5184365890. The cubic root of 2755989442 is about 1402.0360582178.

The spelling of 2755989442 in words is "two billion, seven hundred fifty-five million, nine hundred eighty-nine thousand, four hundred forty-two".

Divisors: 1 2 17 34 81058513 162117026 1377994721 2755989442