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28027750027750 = 253112926537191
BaseRepresentation
bin1100101111101101110000…
…00101011001000111100110
310200020102112002102101012121
412113312320011121013212
512133201313001342000
6135335434241340154
75621636526260134
oct627667005310746
9120212462371177
1028027750027750
118a26558232900
123187b7093765a
13128400c092a55
146cc79c1ba754
153390ed136b1a
hex197db81591e6

28027750027750 has 48 divisors (see below), whose sum is σ = 57671380978848. Its totient is φ = 10191909090000.

The previous prime is 28027750027729. The next prime is 28027750027763. The reversal of 28027750027750 is 5772005772082.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463238346 + ... + 463298845.

It is an arithmetic number, because the mean of its divisors is an integer number (1201487103726).

Almost surely, 228027750027750 is an apocalyptic number.

28027750027750 is an abundant number, since it is smaller than the sum of its proper divisors (29643630951098).

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

28027750027750 is a wasteful number, since it uses less digits than its factorization.

28027750027750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926537230 (or 926537209 counting only the distinct ones).

The product of its (nonzero) digits is 3841600, while the sum is 52.

The spelling of 28027750027750 in words is "twenty-eight trillion, twenty-seven billion, seven hundred fifty million, twenty-seven thousand, seven hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 125 242 250 275 550 605 1210 1375 2750 3025 6050 15125 30250 926537191 1853074382 4632685955 9265371910 10191909101 20383818202 23163429775 46326859550 50959545505 101919091010 112111000111 115817148875 224222000222 231634297750 254797727525 509595455050 560555000555 1121110001110 1273988637625 2547977275250 2802775002775 5605550005550 14013875013875 28027750027750