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2640848330 = 251571682069
BaseRepresentation
bin1001110101101000…
…0010010111001010
320211001012222212102
42131122002113022
520402024121310
61114014313402
7122304561161
oct23532022712
96731188772
102640848330
11113576548a
126184b8862
13331175963
141b0a363d8
15106c9d8a5
hex9d6825ca

2640848330 has 16 divisors (see below), whose sum is σ = 4783807080. Its totient is φ = 1049610432.

The previous prime is 2640848303. The next prime is 2640848383. The reversal of 2640848330 is 338480462.

It can be written as a sum of positive squares in 4 ways, for example, as 2274240721 + 366607609 = 47689^2 + 19147^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839465 + ... + 842604.

Almost surely, 22640848330 is an apocalyptic number.

2640848330 is a deficient number, since it is larger than the sum of its proper divisors (2142958750).

2640848330 is a wasteful number, since it uses less digits than its factorization.

2640848330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682233.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 2640848330 is about 51389.1849516997. The cubic root of 2640848330 is about 1382.2326685155.

The spelling of 2640848330 in words is "two billion, six hundred forty million, eight hundred forty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 157 314 785 1570 1682069 3364138 8410345 16820690 264084833 528169666 1320424165 2640848330