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231043404234 = 2371896093881
BaseRepresentation
bin1101011100101101000…
…0101001000111001010
3211002100210221000101210
43113023100221013022
512241134102413414
6254050113553550
722456320350466
oct3271320510712
9732323830353
10231043404234
1189a91a84285
123893bb758b6
1318a3090a616
14b27ad354a6
1560239a4e59
hex35cb4291ca

231043404234 has 32 divisors (see below), whose sum is σ = 473860264320. Its totient is φ = 75076601600.

The previous prime is 231043404203. The next prime is 231043404253. The reversal of 231043404234 is 432404340132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3009027 + ... + 3084854.

It is an arithmetic number, because the mean of its divisors is an integer number (14808133260).

Almost surely, 2231043404234 is an apocalyptic number.

231043404234 is an abundant number, since it is smaller than the sum of its proper divisors (242816860086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231043404234 is a wasteful number, since it uses less digits than its factorization.

231043404234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094046.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 231043404234 its reverse (432404340132), we get a palindrome (663447744366).

The spelling of 231043404234 in words is "two hundred thirty-one billion, forty-three million, four hundred four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 71 89 142 178 213 267 426 534 6319 12638 18957 37914 6093881 12187762 18281643 36563286 432665551 542355409 865331102 1084710818 1297996653 1627066227 2595993306 3254132454 38507234039 77014468078 115521702117 231043404234