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28383880828790 = 256742364001237
BaseRepresentation
bin1100111010000101000110…
…01000100101011101110110
310201111110202110100112112202
412131002203020211131312
512210020141443010130
6140211212544344502
75656445012161664
oct635024310453566
9121443673315482
1028383880828790
119053599841773
123224ba0315132
1312ab785b663a6
14701b03d89c34
153434e350e145
hex19d0a3225776

28383880828790 has 16 divisors (see below), whose sum is σ = 51853537515312. Its totient is φ = 11184096326304.

The previous prime is 28383880828727. The next prime is 28383880828817. The reversal of 28383880828790 is 9782808838382.

It is a congruent number.

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, 21181999949 + ... + 21182001288.

It is an arithmetic number, because the mean of its divisors is an integer number (3240846094707).

Almost surely, 228383880828790 is an apocalyptic number.

28383880828790 is a deficient number, since it is larger than the sum of its proper divisors (23469656686522).

28383880828790 is a wasteful number, since it uses less digits than its factorization.

28383880828790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42364001311.

The product of its (nonzero) digits is 594542592, while the sum is 74.

The spelling of 28383880828790 in words is "twenty-eight trillion, three hundred eighty-three billion, eight hundred eighty million, eight hundred twenty-eight thousand, seven hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 42364001237 84728002474 211820006185 423640012370 2838388082879 5676776165758 14191940414395 28383880828790