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230734535257 = 17471032839907
BaseRepresentation
bin1101011011100011011…
…0011001101001011001
3211001120021201211211001
43112320312121221121
512240021020112012
6253555321505001
722445550122032
oct3267066315131
9731507654731
10230734535257
11899436a2466
1238874642161
13189b1925a05
14b24bcd3a89
1560067e3357
hex35b8d99a59

230734535257 has 32 divisors (see below), whose sum is σ = 252843282432. Its totient is φ = 209713031424.

The previous prime is 230734535221. The next prime is 230734535261. The reversal of 230734535257 is 752535437032.

It is not a de Polignac number, because 230734535257 - 227 = 230600317529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230734535267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23285098 + ... + 23295004.

It is an arithmetic number, because the mean of its divisors is an integer number (7901352576).

Almost surely, 2230734535257 is an apocalyptic number.

It is an amenable number.

230734535257 is a deficient number, since it is larger than the sum of its proper divisors (22108747175).

230734535257 is a wasteful number, since it uses less digits than its factorization.

230734535257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357.

The product of its (nonzero) digits is 2646000, while the sum is 46.

The spelling of 230734535257 in words is "two hundred thirty billion, seven hundred thirty-four million, five hundred thirty-five thousand, two hundred fifty-seven".

Divisors: 1 17 47 103 283 799 1751 4811 4841 9907 13301 29149 82297 168419 226117 465629 495533 1020421 1370003 2803681 7915693 17347157 23290051 47662577 47959787 131773007 288779143 815316379 2240141119 4909245431 13572619721 230734535257