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27593204961 = 376432043487
BaseRepresentation
bin11001101100101011…
…101110010011100001
32122020000111001021010
4121230223232103201
5423002330024321
620402014051133
71664533241460
oct315453562341
978200431233
1027593204961
111077a710323
125420aa9aa9
1327a986a61a
14149a93a9d7
15ab76ae676
hex66caee4e1

27593204961 has 16 divisors (see below), whose sum is σ = 42112200704. Its totient is φ = 15743016144.

The previous prime is 27593204897. The next prime is 27593205001. The reversal of 27593204961 is 16940239572.

It is not a de Polignac number, because 27593204961 - 26 = 27593204897 is a prime.

It is a super-2 number, since 2×275932049612 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27593204961.

It is not an unprimeable number, because it can be changed into a prime (27593204161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008241 + ... + 1035246.

It is an arithmetic number, because the mean of its divisors is an integer number (2632012544).

Almost surely, 227593204961 is an apocalyptic number.

27593204961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27593204961 is a deficient number, since it is larger than the sum of its proper divisors (14518995743).

27593204961 is a wasteful number, since it uses less digits than its factorization.

27593204961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044140.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 27593204961 in words is "twenty-seven billion, five hundred ninety-three million, two hundred four thousand, nine hundred sixty-one".

Divisors: 1 3 7 21 643 1929 4501 13503 2043487 6130461 14304409 42913227 1313962141 3941886423 9197734987 27593204961