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27729650675 = 521209791691
BaseRepresentation
bin11001110100110100…
…001110001111110011
32122120112020012121002
4121310310032033303
5423242242310200
620423330352215
72001111066416
oct316464161763
978515205532
1027729650675
111083a734a81
12545a72b66b
1327cbc01c2c
1414b0ad7b7d
15ac4662bd5
hex674d0e3f3

27729650675 has 12 divisors (see below), whose sum is σ = 34387984296. Its totient is φ = 22181644800.

The previous prime is 27729650659. The next prime is 27729650687. The reversal of 27729650675 is 57605692772.

It is not a de Polignac number, because 27729650675 - 24 = 27729650659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27729650675.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256580 + ... + 348270.

It is an arithmetic number, because the mean of its divisors is an integer number (2865665358).

Almost surely, 227729650675 is an apocalyptic number.

27729650675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27729650675 is a deficient number, since it is larger than the sum of its proper divisors (6658333621).

27729650675 is a wasteful number, since it uses less digits than its factorization.

27729650675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103798 (or 103793 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 56.

The spelling of 27729650675 in words is "twenty-seven billion, seven hundred twenty-nine million, six hundred fifty thousand, six hundred seventy-five".

Divisors: 1 5 25 12097 60485 91691 302425 458455 2292275 1109186027 5545930135 27729650675