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28300071792 = 2432325634123
BaseRepresentation
bin11010010110110100…
…001101001101110000
32201001021120121021010
4122112310031031300
5430424304244132
621000104430520
72021205432636
oct322664151560
981037517233
1028300071792
111100271a893
125599778440
132890142415
141526781356
15b0978b6cc
hex696d0d370

28300071792 has 40 divisors (see below), whose sum is σ = 76287153024. Its totient is φ = 9023210944.

The previous prime is 28300071781. The next prime is 28300071809. The reversal of 28300071792 is 29717000382.

It is a self number, because there is not a number n which added to its sum of digits gives 28300071792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12815958 + ... + 12818165.

Almost surely, 228300071792 is an apocalyptic number.

It is an amenable number.

28300071792 is an abundant number, since it is smaller than the sum of its proper divisors (47987081232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28300071792 is a wasteful number, since it uses less digits than its factorization.

28300071792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25634157 (or 25634151 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 28300071792 in words is "twenty-eight billion, three hundred million, seventy-one thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 25634123 51268246 76902369 102536492 153804738 205072984 307609476 410145968 589584829 615218952 1179169658 1230437904 1768754487 2358339316 3537508974 4716678632 7075017948 9433357264 14150035896 28300071792