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8997281316 = 2232158092
BaseRepresentation
bin10000110000100011…
…11001111000100100
3212020000222020200100
420120101321320210
5121411301000231
64044442544100
7435650425602
oct103021717044
925200866610
108997281316
1138a7804691
1218b1208030
13b0503a9ca
14614d08872
15379d411e6
hex218479e24

8997281316 has 27 divisors (see below), whose sum is σ = 22744566481. Its totient is φ = 2998904064.

The previous prime is 8997281281. The next prime is 8997281333. The reversal of 8997281316 is 6131827998.

The square root of 8997281316 is 94854.

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

It can be written as a sum of positive squares in only one way, i.e., 325946916 + 8671334400 = 18054^2 + 93120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 561220 + ... + 577028.

Almost surely, 28997281316 is an apocalyptic number.

8997281316 is the 94854-th square number.

It is an amenable number.

8997281316 is an abundant number, since it is smaller than the sum of its proper divisors (13747285165).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8997281316 is an equidigital number, since it uses as much as digits as its factorization.

8997281316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31628 (or 15814 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The cubic root of 8997281316 is about 2079.8743541583.

The spelling of 8997281316 in words is "eight billion, nine hundred ninety-seven million, two hundred eighty-one thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 15809 31618 47427 63236 94854 142281 189708 284562 569124 249924481 499848962 749773443 999697924 1499546886 2249320329 2999093772 4498640658 8997281316