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82284004581 = 341668975647
BaseRepresentation
bin100110010100010000…
…0100100010011100101
321212101111212112021020
41030220200210103211
52322004201121311
6101444543441353
75642034333042
oct1145040442345
9255344775236
1082284004581
11319951a2579
1213b448b6259
1379b439950c
143da82421c9
152218c80c06
hex13288244e5

82284004581 has 8 divisors (see below), whose sum is σ = 112387908864. Its totient is φ = 53518051680.

The previous prime is 82284004541. The next prime is 82284004589. The reversal of 82284004581 is 18540048228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82284004581 - 214 = 82283988197 is a prime.

It is a super-2 number, since 2×822840045812 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82284004589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334487701 + ... + 334487946.

It is an arithmetic number, because the mean of its divisors is an integer number (14048488608).

Almost surely, 282284004581 is an apocalyptic number.

It is an amenable number.

82284004581 is a deficient number, since it is larger than the sum of its proper divisors (30103904283).

82284004581 is a wasteful number, since it uses less digits than its factorization.

82284004581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668975691.

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 82284004581 in words is "eighty-two billion, two hundred eighty-four million, four thousand, five hundred eighty-one".

Divisors: 1 3 41 123 668975647 2006926941 27428001527 82284004581