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28025050277555 = 513940323813349
BaseRepresentation
bin1100101111101000101110…
…01010101010011010110011
310200020011112221100212011122
412113310113022222122303
512133130300332340210
6135334310320332455
75621512604624252
oct627642712523263
9120204487325148
1028025050277555
118a253a22a75a1
12318753877412b
13128399b965c26
146cc5c3810799
15338ee1100b55
hex197d172aa6b3

28025050277555 has 8 divisors (see below), whose sum is σ = 33872003214000. Its totient is φ = 22258744968096.

The previous prime is 28025050277449. The next prime is 28025050277563. The reversal of 28025050277555 is 55577205052082.

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 28025050277555 - 238 = 27750172370611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28025050277497 and 28025050277506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20161905980 + ... + 20161907369.

It is an arithmetic number, because the mean of its divisors is an integer number (4234000401750).

Almost surely, 228025050277555 is an apocalyptic number.

28025050277555 is a deficient number, since it is larger than the sum of its proper divisors (5846952936445).

28025050277555 is a wasteful number, since it uses less digits than its factorization.

28025050277555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40323813493.

The product of its (nonzero) digits is 9800000, while the sum is 53.

The spelling of 28025050277555 in words is "twenty-eight trillion, twenty-five billion, fifty million, two hundred seventy-seven thousand, five hundred fifty-five".

Divisors: 1 5 139 695 40323813349 201619066745 5605010055511 28025050277555