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17930321600393 = 73284689862769
BaseRepresentation
bin1000001001110101110100…
…11100110001111110001001
32100111010021221102012121202
410010322322130301332021
54322232244312203033
6102045024231113545
73530265040626416
oct404727234617611
970433257365552
1017930321600393
115793230112334
1220170245128b5
13a00a8c126817
1445db9178d10d
1521161eb218e8
hex104eba731f89

17930321600393 has 8 divisors (see below), whose sum is σ = 18176027356200. Its totient is φ = 17684618139648.

The previous prime is 17930321600339. The next prime is 17930321600419. The reversal of 17930321600393 is 39300612303971.

It can be written as a sum of positive squares in 4 ways, for example, as 551494861129 + 17378826739264 = 742627^2 + 4168792^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 17930321600393 - 26 = 17930321600329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17930321602393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20350913 + ... + 21213681.

It is an arithmetic number, because the mean of its divisors is an integer number (2272003419525).

Almost surely, 217930321600393 is an apocalyptic number.

It is an amenable number.

17930321600393 is a deficient number, since it is larger than the sum of its proper divisors (245705755807).

17930321600393 is an equidigital number, since it uses as much as digits as its factorization.

17930321600393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147531.

The product of its (nonzero) digits is 551124, while the sum is 47.

The spelling of 17930321600393 in words is "seventeen trillion, nine hundred thirty billion, three hundred twenty-one million, six hundred thousand, three hundred ninety-three".

Divisors: 1 73 284689 862769 20782297 62982137 245620843841 17930321600393