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27838141373 = 75437731447
BaseRepresentation
bin11001111011010010…
…000101001110111101
32122212002101002212002
4121323102011032331
5424003031010443
620442203552045
72003566204010
oct317322051675
978762332762
1027838141373
11108959a5709
12548ab2b625
132818529303
1414c1299377
15acde432b8
hex67b4853bd

27838141373 has 8 divisors (see below), whose sum is σ = 31820913792. Its totient is φ = 23856842736.

The previous prime is 27838141367. The next prime is 27838141421. The reversal of 27838141373 is 37314183872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27838141373 - 220 = 27837092797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27838141343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327665 + ... + 403782.

It is an arithmetic number, because the mean of its divisors is an integer number (3977614224).

Almost surely, 227838141373 is an apocalyptic number.

It is an amenable number.

27838141373 is a deficient number, since it is larger than the sum of its proper divisors (3982772419).

27838141373 is an equidigital number, since it uses as much as digits as its factorization.

27838141373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736891.

The product of its digits is 677376, while the sum is 47.

The spelling of 27838141373 in words is "twenty-seven billion, eight hundred thirty-eight million, one hundred forty-one thousand, three hundred seventy-three".

Divisors: 1 7 5437 38059 731447 5120129 3976877339 27838141373