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28273077316 = 2211276432
BaseRepresentation
bin11010010101001101…
…001110110001000100
32200222101210010210201
4122111031032301010
5430400401433231
620553302100244
72020430122561
oct322515166104
980871703721
1028273077316
1110a99462500
12559071a684
132887680463
141522d55868
15b07208161
hex69534ec44

28273077316 has 27 divisors (see below), whose sum is σ = 54391899583. Its totient is φ = 12849717320.

The previous prime is 28273077311. The next prime is 28273077341. The reversal of 28273077316 is 61377037282.

The square root of 28273077316 is 168146.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28273077311) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3695391 + ... + 3703033.

Almost surely, 228273077316 is an apocalyptic number.

28273077316 is the 168146-th square number.

It is an amenable number.

28273077316 is a deficient number, since it is larger than the sum of its proper divisors (26118822267).

28273077316 is an frugal number, since it uses more digits than its factorization.

28273077316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312 (or 7656 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 28273077316 in words is "twenty-eight billion, two hundred seventy-three million, seventy-seven thousand, three hundred sixteen".

Divisors: 1 2 4 11 22 44 121 242 484 7643 15286 30572 84073 168146 336292 924803 1849606 3699212 58415449 116830898 233661796 642569939 1285139878 2570279756 7068269329 14136538658 28273077316