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28107716484 = 2232342309707
BaseRepresentation
bin11010001011010110…
…011011011110000100
32200112212121221101110
4122023112123132010
5430031033411414
620525033525020
72013351435201
oct321326333604
980485557343
1028107716484
1110a14089461
125545273770
13285c333903
141508dccca8
15ae7942459
hex68b59b784

28107716484 has 12 divisors (see below), whose sum is σ = 65584671824. Its totient is φ = 9369238824.

The previous prime is 28107716477. The next prime is 28107716491. The reversal of 28107716484 is 48461770182.

It is an interprime number because it is at equal distance from previous prime (28107716477) and next prime (28107716491).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171154842 + ... + 1171154865.

Almost surely, 228107716484 is an apocalyptic number.

It is an amenable number.

28107716484 is an abundant number, since it is smaller than the sum of its proper divisors (37476955340).

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

28107716484 is a wasteful number, since it uses less digits than its factorization.

28107716484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342309714 (or 2342309712 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 28107716484 in words is "twenty-eight billion, one hundred seven million, seven hundred sixteen thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 2342309707 4684619414 7026929121 9369238828 14053858242 28107716484