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28025025500553 = 3312099143565679
BaseRepresentation
bin1100101111101000101011…
…01100001001010110001001
310200020011111012202001111220
412113310111230021112021
512133130223012004203
6135334304033312253
75621512154211144
oct627642554112611
9120204435661456
1028025025500553
118a2538a314234
123187530405689
13128399679c393
146cc5c040105b
15338eddd59653
hex197d15b09589

28025025500553 has 16 divisors (see below), whose sum is σ = 38590454784000. Its totient is φ = 18072047546640.

The previous prime is 28025025500543. The next prime is 28025025500587. The reversal of 28025025500553 is 35500552052082.

It is not a de Polignac number, because 28025025500553 - 237 = 27887586547081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28025025500513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71587633 + ... + 71978046.

It is an arithmetic number, because the mean of its divisors is an integer number (2411903424000).

Almost surely, 228025025500553 is an apocalyptic number.

It is an amenable number.

28025025500553 is a deficient number, since it is larger than the sum of its proper divisors (10565429283447).

28025025500553 is a wasteful number, since it uses less digits than its factorization.

28025025500553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143567812.

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 28025025500553 in words is "twenty-eight trillion, twenty-five billion, twenty-five million, five hundred thousand, five hundred fifty-three".

Divisors: 1 3 31 93 2099 6297 65069 195207 143565679 430697037 4450536049 13351608147 301344360221 904033080663 9341675166851 28025025500553