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4581823287997 = 172451491099409
BaseRepresentation
bin100001010101100100111…
…1100110001001010111101
3121020000111010212010002201
41002223021330301022331
51100032033230203442
613424505514151501
7652011565233514
oct102531174611275
917200433763081
104581823287997
11150715a88642a
1261bba3422591
132730aaa33247
1411ba9351767b
157e2b51b57b7
hex42ac9f312bd

4581823287997 has 8 divisors (see below), whose sum is σ = 4851366507000. Its totient is φ = 4312282758144.

The previous prime is 4581823287991. The next prime is 4581823288067. The reversal of 4581823287997 is 7997823281854.

It can be written as a sum of positive squares in 4 ways, for example, as 84119721156 + 4497703566841 = 290034^2 + 2120779^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4581823287997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4581823287991) 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, 3617829 + ... + 4717237.

It is an arithmetic number, because the mean of its divisors is an integer number (606420813375).

Almost surely, 24581823287997 is an apocalyptic number.

It is an amenable number.

4581823287997 is a deficient number, since it is larger than the sum of its proper divisors (269543219003).

4581823287997 is a wasteful number, since it uses less digits than its factorization.

4581823287997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344575.

The product of its digits is 487710720, while the sum is 73.

The spelling of 4581823287997 in words is "four trillion, five hundred eighty-one billion, eight hundred twenty-three million, two hundred eighty-seven thousand, nine hundred ninety-seven".

Divisors: 1 17 245149 1099409 4167533 18689953 269519016941 4581823287997