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28052502550555 = 57801500072873
BaseRepresentation
bin1100110000011011110110…
…11100110001100000011011
310200022210102010122211010111
412120031323130301200123
512134103011123104210
6135355050342025151
75623504110244510
oct630157334614033
9120283363584114
1028052502550555
118a35aaa3a961a
12319091a4181b7
13128645525ac52
146cda69743307
15339a9b22288a
hex19837b73181b

28052502550555 has 8 divisors (see below), whose sum is σ = 38472003497952. Its totient is φ = 19236001748928.

The previous prime is 28052502550537. The next prime is 28052502550591. The reversal of 28052502550555 is 55505520525082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28052502550555 - 29 = 28052502550043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28052502550499 and 28052502550508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400750036402 + ... + 400750036471.

It is an arithmetic number, because the mean of its divisors is an integer number (4809000437244).

Almost surely, 228052502550555 is an apocalyptic number.

28052502550555 is a deficient number, since it is larger than the sum of its proper divisors (10419500947397).

28052502550555 is an equidigital number, since it uses as much as digits as its factorization.

28052502550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801500072885.

The product of its (nonzero) digits is 5000000, while the sum is 49.

The spelling of 28052502550555 in words is "twenty-eight trillion, fifty-two billion, five hundred two million, five hundred fifty thousand, five hundred fifty-five".

Divisors: 1 5 7 35 801500072873 4007500364365 5610500510111 28052502550555