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138858026628753 = 3319336221805061
BaseRepresentation
bin11111100100101001100111…
…010110011111011010010001
3200012122200211121212120221000
4133210221213112133122101
5121200022214304110003
61211154255150252213
741151106226553555
oct3744514726373221
9605580747776830
10138858026628753
11402763a4013193
12136a77481b7069
135c63342aa01a3
142640a9b52d865
15110c038ba11a3
hex7e4a6759f691

138858026628753 has 32 divisors (see below), whose sum is σ = 216543644611200. Its totient is φ = 87699436516800.

The previous prime is 138858026628733. The next prime is 138858026628809. The reversal of 138858026628753 is 357826620858831.

138858026628753 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 5 + 80 + 266 + 287 + 5 + 3 = 666.

It is not a de Polignac number, because 138858026628753 - 214 = 138858026612369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138858026628733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172078843 + ... + 172883903.

It is an arithmetic number, because the mean of its divisors is an integer number (6766988894100).

Almost surely, 2138858026628753 is an apocalyptic number.

It is an amenable number.

138858026628753 is a deficient number, since it is larger than the sum of its proper divisors (77685617982447).

138858026628753 is a wasteful number, since it uses less digits than its factorization.

138858026628753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141310 (or 1141304 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 72.

The spelling of 138858026628753 in words is "one hundred thirty-eight trillion, eight hundred fifty-eight billion, twenty-six million, six hundred twenty-eight thousand, seven hundred fifty-three".

Divisors: 1 3 9 19 27 57 171 513 336221 805061 1008663 2415183 3025989 6388199 7245549 9077967 15296159 19164597 21736647 45888477 57493791 137665431 172481373 412996293 270678414481 812035243443 2436105730329 5142889875139 7308317190987 15428669625417 46286008876251 138858026628753