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8518345480 = 235212958637
BaseRepresentation
bin1111110111011101…
…11010001100001000
3210222122202210020001
413323232322030020
5114421144023410
63525133412344
7421043512321
oct77356721410
923878683201
108518345480
113681425047
12179893a0b4
13a59a4c518
145ab477448
1534cc8933a
hex1fbbba308

8518345480 has 16 divisors (see below), whose sum is σ = 19166277420. Its totient is φ = 3407338176.

The previous prime is 8518345469. The next prime is 8518345501. The reversal of 8518345480 is 845438158.

It can be written as a sum of positive squares in 2 ways, for example, as 7783827076 + 734518404 = 88226^2 + 27102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8518345480.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106479279 + ... + 106479358.

Almost surely, 28518345480 is an apocalyptic number.

It is an amenable number.

8518345480 is an abundant number, since it is smaller than the sum of its proper divisors (10647931940).

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

8518345480 is a wasteful number, since it uses less digits than its factorization.

8518345480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212958648 (or 212958644 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 46.

The square root of 8518345480 is about 92294.8832817941. The cubic root of 8518345480 is about 2042.2947296966.

The spelling of 8518345480 in words is "eight billion, five hundred eighteen million, three hundred forty-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 212958637 425917274 851834548 1064793185 1703669096 2129586370 4259172740 8518345480