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238842449361 = 3315289578587
BaseRepresentation
bin1101111001110000011…
…1101000110111010001
3211211111100012120001000
43132130013220313101
512403122131334421
6301420034332213
723153511215415
oct3363407506721
9754440176030
10238842449361
119232437731a
123a357a2a069
13196a4620919
14b7baa4cd45
15632d508226
hex379c1e8dd1

238842449361 has 16 divisors (see below), whose sum is σ = 353864420800. Its totient is φ = 159217609824.

The previous prime is 238842449357. The next prime is 238842449393. The reversal of 238842449361 is 163944248832.

It is a happy number.

238842449361 is a `hidden beast` number, since 2 + 38 + 8 + 4 + 244 + 9 + 361 = 666.

It is not a de Polignac number, because 238842449361 - 22 = 238842449357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238842449298 and 238842449307.

It is not an unprimeable number, because it can be changed into a prime (238842441361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123510 + ... + 702096.

It is an arithmetic number, because the mean of its divisors is an integer number (22116526300).

Almost surely, 2238842449361 is an apocalyptic number.

It is an amenable number.

238842449361 is a deficient number, since it is larger than the sum of its proper divisors (115021971439).

238842449361 is a wasteful number, since it uses less digits than its factorization.

238842449361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593885 (or 593879 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 238842449361 in words is "two hundred thirty-eight billion, eight hundred forty-two million, four hundred forty-nine thousand, three hundred sixty-one".

Divisors: 1 3 9 27 15289 45867 137601 412803 578587 1735761 5207283 15621849 8846016643 26538049929 79614149787 238842449361