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27039287064448 = 27792673980129
BaseRepresentation
bin1100010010111100100110…
…00110011011011110000000
310112201221010101222010211001
412021132103012123132000
512021002424442030243
6133301402121501344
75460344511564451
oct611362306333600
9115657111863731
1027039287064448
11868532a6a938a
12304848a641854
131211a42073759
146969cc0bb128
1531d549691a4d
hex18979319b780

27039287064448 has 32 divisors (see below), whose sum is σ = 54549194652000. Its totient is φ = 13348508798976.

The previous prime is 27039287064407. The next prime is 27039287064469. The reversal of 27039287064448 is 84446078293072.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×270392870644482 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 27039287064448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336979953 + ... + 1337000176.

It is an arithmetic number, because the mean of its divisors is an integer number (1704662332875).

Almost surely, 227039287064448 is an apocalyptic number.

It is an amenable number.

27039287064448 is an abundant number, since it is smaller than the sum of its proper divisors (27509907587552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27039287064448 is an equidigital number, since it uses as much as digits as its factorization.

27039287064448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673980222 (or 2673980210 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 64.

The spelling of 27039287064448 in words is "twenty-seven trillion, thirty-nine billion, two hundred eighty-seven million, sixty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 79 128 158 316 632 1264 2528 5056 10112 2673980129 5347960258 10695920516 21391841032 42783682064 85567364128 171134728256 211244430191 342269456512 422488860382 844977720764 1689955441528 3379910883056 6759821766112 13519643532224 27039287064448