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27705981130 = 258087342599
BaseRepresentation
bin11001110011011001…
…111011100011001010
32122111212200200002021
4121303121323203022
5423220212344010
620421123155054
72000402645122
oct316331734312
978455620067
1027705981130
1110828338773
125452815a8a
1327c7035499
1414ab8d5c82
15ac25398da
hex67367b8ca

27705981130 has 16 divisors (see below), whose sum is σ = 49877078400. Its totient is φ = 11080989712.

The previous prime is 27705981119. The next prime is 27705981223. The reversal of 27705981130 is 3118950772.

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, 90430 + ... + 252169.

It is an arithmetic number, because the mean of its divisors is an integer number (3117317400).

Almost surely, 227705981130 is an apocalyptic number.

27705981130 is a deficient number, since it is larger than the sum of its proper divisors (22171097270).

27705981130 is a wasteful number, since it uses less digits than its factorization.

27705981130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350693.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 27705981130 in words is "twenty-seven billion, seven hundred five million, nine hundred eighty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 8087 16174 40435 80870 342599 685198 1712995 3425990 2770598113 5541196226 13852990565 27705981130