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28073036898899 = 1271613383335753
BaseRepresentation
bin1100110001000010000110…
…11001000110001001010011
310200101202102012122210111122
412120201003121012021103
512134422034421231044
6135412324120232455
75625132011314346
oct630410331061123
9120352365583448
1028073036898899
118a43787515443
1231948ab30b72b
131288378555c25
146d0a569a245d
1533a39dd3ddee
hex198843646253

28073036898899 has 16 divisors (see below), whose sum is σ = 28319804070912. Its totient is φ = 27826681978368.

The previous prime is 28073036898859. The next prime is 28073036898901. The reversal of 28073036898899 is 99889863037082.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28073036898899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28073036898839) 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, 785176007 + ... + 785211759.

It is an arithmetic number, because the mean of its divisors is an integer number (1769987754432).

Almost surely, 228073036898899 is an apocalyptic number.

28073036898899 is a deficient number, since it is larger than the sum of its proper divisors (246767172013).

28073036898899 is a wasteful number, since it uses less digits than its factorization.

28073036898899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41326.

The product of its (nonzero) digits is 2257403904, while the sum is 80.

The spelling of 28073036898899 in words is "twenty-eight trillion, seventy-three billion, thirty-six million, eight hundred ninety-eight thousand, eight hundred ninety-nine".

Divisors: 1 127 1613 3833 35753 204851 486791 4540631 6182629 57669589 137041249 785193883 7324037803 17404238623 221047534637 28073036898899