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2745426818 = 2531091271871
BaseRepresentation
bin1010001110100011…
…1110001110000010
321002100000010120202
42203220332032002
521110312124233
61132232005202
7125014512551
oct24350761602
97070003522
102745426818
1111897a3892
12647530802
13349a30414
141c0899d98
15111059be8
hexa3a3e382

2745426818 has 32 divisors (see below), whose sum is σ = 4269957120. Its totient is φ = 1323241920.

The previous prime is 2745426799. The next prime is 2745426823. The reversal of 2745426818 is 8186245472.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466423 + ... + 1468293.

It is an arithmetic number, because the mean of its divisors is an integer number (133436160).

Almost surely, 22745426818 is an apocalyptic number.

2745426818 is a deficient number, since it is larger than the sum of its proper divisors (1524530302).

2745426818 is a wasteful number, since it uses less digits than its factorization.

2745426818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162.

The product of its digits is 860160, while the sum is 47.

The square root of 2745426818 is about 52396.8206859920. The cubic root of 2745426818 is about 1400.2426140760.

The spelling of 2745426818 in words is "two billion, seven hundred forty-five million, four hundred twenty-six thousand, eight hundred eighteen".

Divisors: 1 2 53 106 109 127 218 254 1871 3742 5777 6731 11554 13462 13843 27686 99163 198326 203939 237617 407878 475234 733679 1467358 10808767 12593701 21617534 25187402 25900253 51800506 1372713409 2745426818