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28574171468 = 2219793609673
BaseRepresentation
bin11010100111001001…
…110100000101001100
32201202101100022022222
4122213021310011030
5432004441441333
621043215354512
72031044310233
oct324711640514
981671308288
1028574171468
1111133413a47
125655522a38
132904b7228b
141550d31b1a
15b23881298
hex6a727414c

28574171468 has 12 divisors (see below), whose sum is σ = 50030081640. Its totient is φ = 14279862432.

The previous prime is 28574171443. The next prime is 28574171491. The reversal of 28574171468 is 86417147582.

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, 1796921 + ... + 1812752.

It is an arithmetic number, because the mean of its divisors is an integer number (4169173470).

Almost surely, 228574171468 is an apocalyptic number.

It is an amenable number.

28574171468 is a deficient number, since it is larger than the sum of its proper divisors (21455910172).

28574171468 is a wasteful number, since it uses less digits than its factorization.

28574171468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611656 (or 3611654 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 53.

The spelling of 28574171468 in words is "twenty-eight billion, five hundred seventy-four million, one hundred seventy-one thousand, four hundred sixty-eight".

Divisors: 1 2 4 1979 3958 7916 3609673 7219346 14438692 7143542867 14287085734 28574171468