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86280138371384 = 2310785017296423
BaseRepresentation
bin10011100111100010101000…
…111111111011000100111000
3102022111022010012011022212122
4103213202220333323010320
542302103210410341014
6503300314241100412
724113351155365326
oct2347425077730470
9368438105138778
1086280138371384
1125545223879291
129815803927708
13391b24a202c39
141743da3b3cd16
159e952754858e
hex4e78a8ffb138

86280138371384 has 8 divisors (see below), whose sum is σ = 161775259446360. Its totient is φ = 43140069185688.

The previous prime is 86280138371321. The next prime is 86280138371387. The reversal of 86280138371384 is 48317383108268.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86280138371387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5392508648204 + ... + 5392508648219.

It is an arithmetic number, because the mean of its divisors is an integer number (20221907430795).

Almost surely, 286280138371384 is an apocalyptic number.

It is an amenable number.

86280138371384 is a deficient number, since it is larger than the sum of its proper divisors (75495121074976).

86280138371384 is a wasteful number, since it uses less digits than its factorization.

86280138371384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10785017296429 (or 10785017296425 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 86280138371384 in words is "eighty-six trillion, two hundred eighty billion, one hundred thirty-eight million, three hundred seventy-one thousand, three hundred eighty-four".

Divisors: 1 2 4 8 10785017296423 21570034592846 43140069185692 86280138371384