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27731842348 = 227172231091367
BaseRepresentation
bin11001110100111100…
…100101010100101100
32122120200100120000011
4121310330211110230
5423243322423343
620423445343004
72001135525220
oct316474452454
978520316004
1027731842348
11108409a1681
12545b407a64
1327cc4bb692
1414b1108780
15ac494729d
hex674f2552c

27731842348 has 144 divisors (see below), whose sum is σ = 62089251840. Its totient is φ = 10593690624.

The previous prime is 27731842339. The next prime is 27731842351. The reversal of 27731842348 is 84324813772.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20285961 + ... + 20287327.

It is an arithmetic number, because the mean of its divisors is an integer number (431175360).

Almost surely, 227731842348 is an apocalyptic number.

27731842348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27731842348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31044625920).

27731842348 is an abundant number, since it is smaller than the sum of its proper divisors (34357409492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27731842348 is a wasteful number, since it uses less digits than its factorization.

27731842348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1525 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 49.

The spelling of 27731842348 in words is "twenty-seven billion, seven hundred thirty-one million, eight hundred forty-two thousand, three hundred forty-eight".