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2742181936 = 241313183567
BaseRepresentation
bin1010001101110010…
…0110000000110000
321002002220021102221
42203130212000300
521103444310221
61132034250424
7124645106344
oct24334460060
97062807387
102742181936
11118798796a
12646426a14
13349165480
141c0293624
15110b18541
hexa3726030

2742181936 has 20 divisors (see below), whose sum is σ = 5721668512. Its totient is φ = 1265622336.

The previous prime is 2742181921. The next prime is 2742181943. The reversal of 2742181936 is 6391812472.

It is a junction number, because it is equal to n+sod(n) for n = 2742181892 and 2742181901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6591576 + ... + 6591991.

Almost surely, 22742181936 is an apocalyptic number.

2742181936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2742181936 is an abundant number, since it is smaller than the sum of its proper divisors (2979486576).

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

2742181936 is a wasteful number, since it uses less digits than its factorization.

2742181936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13183588 (or 13183582 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 2742181936 is about 52365.8470379311. The cubic root of 2742181936 is about 1399.6907371304.

The spelling of 2742181936 in words is "two billion, seven hundred forty-two million, one hundred eighty-one thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 13183567 26367134 52734268 105468536 171386371 210937072 342772742 685545484 1371090968 2742181936