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230930869321 = 1997318136353
BaseRepresentation
bin1101011100010010001…
…1010110110001001001
3211002001222011122112001
43113010203112301021
512240421300304241
6254031013551001
722453453000405
oct3270443266111
9732058148461
10230930869321
1189a34501119
123890a345461
1318a134c8509
14b26a000105
156018b76431
hex35c48d6c49

230930869321 has 8 divisors (see below), whose sum is σ = 231125499144. Its totient is φ = 230736322560.

The previous prime is 230930869231. The next prime is 230930869343. The reversal of 230930869321 is 123968039032.

It can be written as a sum of positive squares in 4 ways, for example, as 18377598096 + 212553271225 = 135564^2 + 461035^2 .

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 230930869321 - 221 = 230928772169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230930849321) 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, 6334281 + ... + 6370633.

It is an arithmetic number, because the mean of its divisors is an integer number (28890687393).

Almost surely, 2230930869321 is an apocalyptic number.

It is an amenable number.

230930869321 is a deficient number, since it is larger than the sum of its proper divisors (194629823).

230930869321 is a wasteful number, since it uses less digits than its factorization.

230930869321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41531.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 230930869321 in words is "two hundred thirty billion, nine hundred thirty million, eight hundred sixty-nine thousand, three hundred twenty-one".

Divisors: 1 1997 3181 36353 6352457 72596941 115638893 230930869321