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2742918805 = 511175355351
BaseRepresentation
bin1010001101111101…
…1001111010010101
321002011021201020101
42203133121322111
521104141400210
61132102134101
7124654265554
oct24337317225
97064251211
102742918805
111188340550
12646721331
133493629a3
141c0405d9b
15110c11a3a
hexa37d9e95

2742918805 has 32 divisors (see below), whose sum is σ = 3873754368. Its totient is φ = 1842048000.

The previous prime is 2742918769. The next prime is 2742918809. The reversal of 2742918805 is 5088192472.

It is not a de Polignac number, because 2742918805 - 227 = 2608701077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742918809) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 21880 + ... + 77230.

It is an arithmetic number, because the mean of its divisors is an integer number (121054824).

Almost surely, 22742918805 is an apocalyptic number.

It is an amenable number.

2742918805 is a deficient number, since it is larger than the sum of its proper divisors (1130835563).

2742918805 is a wasteful number, since it uses less digits than its factorization.

2742918805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55437.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 2742918805 is about 52372.8823438237. The cubic root of 2742918805 is about 1399.8160991436.

The spelling of 2742918805 in words is "two billion, seven hundred forty-two million, nine hundred eighteen thousand, eight hundred five".

Divisors: 1 5 11 17 53 55 85 187 265 583 901 935 2915 4505 9911 49555 55351 276755 608861 940967 2933603 3044305 4704835 10350637 14668015 32269633 49871251 51753185 161348165 249356255 548583761 2742918805