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230440141443 = 31912173321947
BaseRepresentation
bin1101011010011101001…
…1011000001010000011
3211000210202210002102110
43112213103120022003
512233420134011233
6253510203550403
722435343612031
oct3264723301203
9730722702373
10230440141443
11898024a7a96
12387b1b2b403
131896593b8a5
14b220b7d551
155edaa40663
hex35a74d8283

230440141443 has 16 divisors (see below), whose sum is σ = 323690613120. Its totient is φ = 145421508096.

The previous prime is 230440141439. The next prime is 230440141471. The reversal of 230440141443 is 344141044032.

It is not a de Polignac number, because 230440141443 - 22 = 230440141439 is a prime.

It is a super-2 number, since 2×2304401414432 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230440141443.

It is not an unprimeable number, because it can be changed into a prime (230440141433) 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, 1591605 + ... + 1730342.

It is an arithmetic number, because the mean of its divisors is an integer number (20230663320).

Almost surely, 2230440141443 is an apocalyptic number.

230440141443 is a deficient number, since it is larger than the sum of its proper divisors (93250471677).

230440141443 is a wasteful number, since it uses less digits than its factorization.

230440141443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323186.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 230440141443 its reverse (344141044032), we get a palindrome (574581185475).

The spelling of 230440141443 in words is "two hundred thirty billion, four hundred forty million, one hundred forty-one thousand, four hundred forty-three".

Divisors: 1 3 19 57 1217 3651 23123 69369 3321947 9965841 63116993 189350979 4042809499 12128428497 76813380481 230440141443