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53820049243 = 232980689729
BaseRepresentation
bin110010000111111011…
…001100011101011011
312010220210220210001011
4302013323030131123
51340210413033433
640420302234351
73613465604362
oct620773143533
9163823823034
1053820049243
1120909018644
12a5202859b7
1350c9306aac
142867c007d9
1515eee213cd
hexc87ecc75b

53820049243 has 8 divisors (see below), whose sum is σ = 58096605600. Its totient is φ = 49704872448.

The previous prime is 53820049223. The next prime is 53820049259. The reversal of 53820049243 is 34294002835.

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-53820049243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53820049196 and 53820049205.

It is not an unprimeable number, because it can be changed into a prime (53820049223) 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, 40344198 + ... + 40345531.

It is an arithmetic number, because the mean of its divisors is an integer number (7262075700).

Almost surely, 253820049243 is an apocalyptic number.

53820049243 is a deficient number, since it is larger than the sum of its proper divisors (4276556357).

53820049243 is a wasteful number, since it uses less digits than its factorization.

53820049243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80689781.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 53820049243 in words is "fifty-three billion, eight hundred twenty million, forty-nine thousand, two hundred forty-three".

Divisors: 1 23 29 667 80689729 1855863767 2340002141 53820049243