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230781238329 = 3612207571409
BaseRepresentation
bin1101011011101110100…
…0100011110000111001
3211001200112121121101110
43112323220203300321
512240114444111304
6254004110510533
722446655105425
oct3267350436071
9731615547343
10230781238329
1189967aa1144
1238888205449
13189bb4c8575
14b2541adb85
15600a96b289
hex35bba23c39

230781238329 has 16 divisors (see below), whose sum is σ = 312894973440. Its totient is φ = 151263125760.

The previous prime is 230781238313. The next prime is 230781238339. The reversal of 230781238329 is 923832187032.

It is not a de Polignac number, because 230781238329 - 24 = 230781238313 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (230781238339) 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, 118177 + ... + 689585.

It is an arithmetic number, because the mean of its divisors is an integer number (19555935840).

Almost surely, 2230781238329 is an apocalyptic number.

It is an amenable number.

230781238329 is a deficient number, since it is larger than the sum of its proper divisors (82113735111).

230781238329 is a wasteful number, since it uses less digits than its factorization.

230781238329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573680.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 230781238329 in words is "two hundred thirty billion, seven hundred eighty-one million, two hundred thirty-eight thousand, three hundred twenty-nine".

Divisors: 1 3 61 183 2207 6621 134627 403881 571409 1714227 34855949 104567847 1261099663 3783298989 76927079443 230781238329