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285525647716 = 22532714
BaseRepresentation
bin1000010011110101010…
…01111010000101100100
31000021222202212202011111
410021322221322011210
514134224031211331
6335100233314404
726425406650501
oct4117251720544
91007882782144
10285525647716
111000aa86a191
1247405b65a04
1320c0417790a
14db68a6c4a8
157661acbdb1
hex427aa7a164

285525647716 has 45 divisors (see below), whose sum is σ = 516550862905. Its totient is φ = 138096380240.

The previous prime is 285525647669. The next prime is 285525647741. The reversal of 285525647716 is 617746525582.

The square root of 285525647716 is 534346.

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., 205834616100 + 79691031616 = 453690^2 + 282296^2 .

It is a Duffinian number.

Its product of digits (28224000) is a multiple of the sum of its prime divisors (126).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4021487961 + ... + 4021488031.

Almost surely, 2285525647716 is an apocalyptic number.

285525647716 is the 534346-th square number.

It is an amenable number.

285525647716 is a deficient number, since it is larger than the sum of its proper divisors (231025215189).

285525647716 is an frugal number, since it uses more digits than its factorization.

285525647716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 126 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 58.

The spelling of 285525647716 in words is "two hundred eighty-five billion, five hundred twenty-five million, six hundred forty-seven thousand, seven hundred sixteen".

Divisors: 1 2 4 53 71 106 142 212 284 2809 3763 5041 5618 7526 10082 11236 15052 20164 199439 267173 357911 398878 534346 715822 797756 1068692 1431644 14160169 18969283 25411681 28320338 37938566 50823362 56640676 75877132 101646724 1005371999 1346819093 2010743998 2693638186 4021487996 5387276372 71381411929 142762823858 285525647716