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452821839049 = 19432048327059
BaseRepresentation
bin1101001011011100100…
…10001110110011001001
31121021210221011211002001
412211232102032303021
524404334342322144
6544005023311001
744500230060526
oct6455622166311
91537727154061
10452821839049
1116504a139938
127391514b461
1333915bb37c8
1417cb95a014d
15bba3d8dbd4
hex696e48ecc9

452821839049 has 16 divisors (see below), whose sum is σ = 487781395200. Its totient is φ = 418976678736.

The previous prime is 452821839031. The next prime is 452821839077. The reversal of 452821839049 is 940938128254.

It is a happy number.

It is not a de Polignac number, because 452821839049 - 225 = 452788284617 is a prime.

It is a super-2 number, since 2×4528218390492 (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 (452821839749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16721082 + ... + 16748140.

It is an arithmetic number, because the mean of its divisors is an integer number (30486337200).

Almost surely, 2452821839049 is an apocalyptic number.

It is an amenable number.

452821839049 is a deficient number, since it is larger than the sum of its proper divisors (34959556151).

452821839049 is a wasteful number, since it uses less digits than its factorization.

452821839049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47604.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 452821839049 in words is "four hundred fifty-two billion, eight hundred twenty-one million, eight hundred thirty-nine thousand, forty-nine".

Divisors: 1 19 43 817 20483 27059 389177 514121 880769 1163537 16734611 22107203 554249497 10530740443 23832728371 452821839049