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28764310384 = 243115780609
BaseRepresentation
bin11010110010011111…
…001000101101110000
32202020122010100220001
4122302133020231300
5432402130413014
621114130555344
72035543414135
oct326237105560
982218110801
1028764310384
1111220781147
1256a9138b54
132935386004
14156c2a858c
15b353dd974
hex6b27c8b70

28764310384 has 20 divisors (see below), whose sum is σ = 55910059920. Its totient is φ = 14335907840.

The previous prime is 28764310373. The next prime is 28764310433. The reversal of 28764310384 is 48301346782.

It is a congruent number.

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, 2885329 + ... + 2895280.

It is an arithmetic number, because the mean of its divisors is an integer number (2795502996).

Almost surely, 228764310384 is an apocalyptic number.

It is an amenable number.

28764310384 is a deficient number, since it is larger than the sum of its proper divisors (27145749536).

28764310384 is a wasteful number, since it uses less digits than its factorization.

28764310384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780928 (or 5780922 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 28764310384 in words is "twenty-eight billion, seven hundred sixty-four million, three hundred ten thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 311 622 1244 2488 4976 5780609 11561218 23122436 46244872 92489744 1797769399 3595538798 7191077596 14382155192 28764310384