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28716318016 = 261787251087
BaseRepresentation
bin11010101111101000…
…000011110101000000
32202010021211002201221
4122233220003311000
5432302334134031
621105254204424
72034421450531
oct325750036500
982107732657
1028716318016
11111a6681831
125695053714
132928451669
141565b74688
15b310ada11
hex6afa03d40

28716318016 has 28 divisors (see below), whose sum is σ = 57016058688. Its totient is φ = 14350067072.

The previous prime is 28716317999. The next prime is 28716318017. The reversal of 28716318016 is 61081361782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28716318017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11176 + ... + 239911.

Almost surely, 228716318016 is an apocalyptic number.

It is an amenable number.

28716318016 is a deficient number, since it is larger than the sum of its proper divisors (28299740672).

28716318016 is a wasteful number, since it uses less digits than its factorization.

28716318016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252886 (or 252876 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

Adding to 28716318016 its reverse (61081361782), we get a palindrome (89797679798).

The spelling of 28716318016 in words is "twenty-eight billion, seven hundred sixteen million, three hundred eighteen thousand, sixteen".

Divisors: 1 2 4 8 16 32 64 1787 3574 7148 14296 28592 57184 114368 251087 502174 1004348 2008696 4017392 8034784 16069568 448692469 897384938 1794769876 3589539752 7179079504 14358159008 28716318016