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283382681569 = 132409492
BaseRepresentation
bin1000001111110101110…
…11001000111111100001
31000002110102111210020221
410013322323020333201
514120331431302234
6334103442203041
726321326023001
oct4077273107741
91002412453227
10283382681569
11aa200154a89
1246b08353481
13209521c5100
14da041da001
1575888c8eb4
hex41faec8fe1

283382681569 has 9 divisors (see below), whose sum is σ = 306865663833. Its totient is φ = 261577625712.

The previous prime is 283382681521. The next prime is 283382681573. The reversal of 283382681569 is 965186283382.

It is a happy number.

The square root of 283382681569 is 532337.

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

It can be written as a sum of positive squares in 4 ways, for example, as 51336230625 + 232046450944 = 226575^2 + 481712^2 .

It is not a de Polignac number, because 283382681569 - 211 = 283382679521 is a prime.

It is a super-2 number, since 2×2833826815692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283382681369) 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, 6899907 + ... + 6940855.

Almost surely, 2283382681569 is an apocalyptic number.

283382681569 is the 532337-th square number.

283382681569 is the 266169-th centered octagonal number.

It is an amenable number.

283382681569 is a deficient number, since it is larger than the sum of its proper divisors (23482982264).

283382681569 is an frugal number, since it uses more digits than its factorization.

283382681569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81924 (or 40962 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 61.

The spelling of 283382681569 in words is "two hundred eighty-three billion, three hundred eighty-two million, six hundred eighty-one thousand, five hundred sixty-nine".

Divisors: 1 13 169 40949 532337 6920381 1676820601 21798667813 283382681569