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28135882814 = 2131636638953
BaseRepresentation
bin11010001101000001…
…111000000000111110
32200121211121221022212
4122031001320000332
5430110241222224
620531521340422
72014143025604
oct321501700076
980554557285
1028135882814
1110a28a77216
125552797712
132865116090
14150ca41874
15aea157d0e
hex68d07803e

28135882814 has 16 divisors (see below), whose sum is σ = 45729115152. Its totient is φ = 12906122688.

The previous prime is 28135882807. The next prime is 28135882829. The reversal of 28135882814 is 41828853182.

It is a Curzon number.

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, 3315239 + ... + 3323714.

It is an arithmetic number, because the mean of its divisors is an integer number (2858069697).

Almost surely, 228135882814 is an apocalyptic number.

28135882814 is a deficient number, since it is larger than the sum of its proper divisors (17593232338).

28135882814 is a wasteful number, since it uses less digits than its factorization.

28135882814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639131.

The product of its digits is 983040, while the sum is 50.

The spelling of 28135882814 in words is "twenty-eight billion, one hundred thirty-five million, eight hundred eighty-two thousand, eight hundred fourteen".

Divisors: 1 2 13 26 163 326 2119 4238 6638953 13277906 86306389 172612778 1082149339 2164298678 14067941407 28135882814