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2811378082 = 23288742743
BaseRepresentation
bin1010011110010010…
…0011100110100010
321020221002210201011
42213210203212202
521224203044312
61142545331134
7126445214362
oct24744434642
97227083634
102811378082
111212a49a67
12665636aaa
1335a5b2136
141c95469a2
15116c35da7
hexa79239a2

2811378082 has 8 divisors (see below), whose sum is σ = 4217294016. Its totient is φ = 1405613412.

The previous prime is 2811378079. The next prime is 2811378083. The reversal of 2811378082 is 2808731182.

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

It is not an unprimeable number, because it can be changed into a prime (2811378083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44403 + ... + 87145.

It is an arithmetic number, because the mean of its divisors is an integer number (527161752).

Almost surely, 22811378082 is an apocalyptic number.

2811378082 is a deficient number, since it is larger than the sum of its proper divisors (1405915934).

2811378082 is a wasteful number, since it uses less digits than its factorization.

2811378082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75632.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 2811378082 is about 53022.4299895808. The cubic root of 2811378082 is about 1411.3663267573.

The spelling of 2811378082 in words is "two billion, eight hundred eleven million, three hundred seventy-eight thousand, eighty-two".

Divisors: 1 2 32887 42743 65774 85486 1405689041 2811378082