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28716518384 = 2467131204487
BaseRepresentation
bin11010101111101000…
…110100101111110000
32202010022012021120222
4122233220310233300
5432302412042014
621105302352212
72034423243641
oct325750645760
982108167528
1028716518384
11111a67a9324
12569512b668
1329284c1918
141565bc76c8
15b310ed08e
hex6afa34bf0

28716518384 has 40 divisors (see below), whose sum is σ = 56900012928. Its totient is φ = 14035919040.

The previous prime is 28716518381. The next prime is 28716518399. The reversal of 28716518384 is 48381561782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28716518381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38189 + ... + 242675.

Almost surely, 228716518384 is an apocalyptic number.

It is an amenable number.

28716518384 is a deficient number, since it is larger than the sum of its proper divisors (28183494544).

28716518384 is a wasteful number, since it uses less digits than its factorization.

28716518384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204693 (or 204687 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The spelling of 28716518384 in words is "twenty-eight billion, seven hundred sixteen million, five hundred eighteen thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 67 131 134 262 268 524 536 1048 1072 2096 8777 17554 35108 70216 140432 204487 408974 817948 1635896 3271792 13700629 26787797 27401258 53575594 54802516 107151188 109605032 214302376 219210064 428604752 1794782399 3589564798 7179129596 14358259192 28716518384