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2742095138 = 21780649857
BaseRepresentation
bin1010001101110001…
…0000110100100010
321002002201212101012
42203130100310202
521103434021023
61132032340522
7124644265316
oct24334206442
97062655335
102742095138
111187928732
126463a4742
13349134b03
141c026db46
15110aec978
hexa3710d22

2742095138 has 8 divisors (see below), whose sum is σ = 4355092332. Its totient is φ = 1290397696.

The previous prime is 2742095113. The next prime is 2742095179. The reversal of 2742095138 is 8315902472.

It can be written as a sum of positive squares in 2 ways, for example, as 2732466529 + 9628609 = 52273^2 + 3103^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2742095095 and 2742095104.

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, 40324895 + ... + 40324962.

Almost surely, 22742095138 is an apocalyptic number.

2742095138 is a deficient number, since it is larger than the sum of its proper divisors (1612997194).

2742095138 is a wasteful number, since it uses less digits than its factorization.

2742095138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80649876.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2742095138 is about 52365.0182660142. The cubic root of 2742095138 is about 1399.6759688861.

The spelling of 2742095138 in words is "two billion, seven hundred forty-two million, ninety-five thousand, one hundred thirty-eight".

Divisors: 1 2 17 34 80649857 161299714 1371047569 2742095138