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2808107072 = 2643876673
BaseRepresentation
bin1010011101100000…
…0101000001000000
321020200221121201122
42213120011001000
521222333411242
61142351251412
7126405342041
oct24730050100
97220847648
102808107072
111211115451
12664519b68
13359a08324
141c8d348c8
151167dbad2
hexa7605040

2808107072 has 14 divisors (see below), whose sum is σ = 5572337598. Its totient is φ = 1404053504.

The previous prime is 2808107023. The next prime is 2808107077. The reversal of 2808107072 is 2707018082.

It can be written as a sum of positive squares in only one way, i.e., 2807304256 + 802816 = 52984^2 + 896^2 .

It is not an unprimeable number, because it can be changed into a prime (2808107077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21938273 + ... + 21938400.

Almost surely, 22808107072 is an apocalyptic number.

It is an amenable number.

2808107072 is a deficient number, since it is larger than the sum of its proper divisors (2764230526).

2808107072 is an equidigital number, since it uses as much as digits as its factorization.

2808107072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43876685 (or 43876675 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 2808107072 is about 52991.5754813914. The cubic root of 2808107072 is about 1410.8187441786.

The spelling of 2808107072 in words is "two billion, eight hundred eight million, one hundred seven thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 43876673 87753346 175506692 351013384 702026768 1404053536 2808107072