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469344866634 = 2327229103178151
BaseRepresentation
bin1101101010001110010…
…00100101000101001010
31122212110110011120211200
412311013020211011022
530142204241213014
6555340345205030
745623542353600
oct6650710450512
91585413146750
10469344866634
11171058a3a036
1276b66790776
133534a1252c7
1418a05b9d870
15c31e74aa09
hex6d4722514a

469344866634 has 144 divisors (see below), whose sum is σ = 1235619515520. Its totient is φ = 128216692800.

The previous prime is 469344866633. The next prime is 469344866713. The reversal of 469344866634 is 436668443964.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (469344866633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2545459 + ... + 2723609.

It is an arithmetic number, because the mean of its divisors is an integer number (8580691080).

Almost surely, 2469344866634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469344866634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617809757760).

469344866634 is an abundant number, since it is smaller than the sum of its proper divisors (766274648886).

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

469344866634 is a wasteful number, since it uses less digits than its factorization.

469344866634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178305 (or 178295 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 63.

The spelling of 469344866634 in words is "four hundred sixty-nine billion, three hundred forty-four million, eight hundred sixty-six thousand, six hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 29 42 49 58 63 87 98 103 126 147 174 203 206 261 294 309 406 441 522 609 618 721 882 927 1218 1421 1442 1827 1854 2163 2842 2987 3654 4263 4326 5047 5974 6489 8526 8961 10094 12789 12978 15141 17922 20909 25578 26883 30282 41818 45423 53766 62727 90846 125454 146363 178151 188181 292726 356302 376362 439089 534453 878178 1068906 1247057 1317267 1603359 2494114 2634534 3206718 3741171 5166379 7482342 8729399 10332758 11223513 15499137 17458798 18349553 22447026 26188197 30998274 36164653 36699106 46497411 52376394 55048659 72329306 78564591 92994822 108493959 110097318 128446871 157129182 165145977 216987918 253152571 256893742 325481877 330291954 385340613 506305142 532137037 650963754 759457713 770681226 899128097 1064274074 1156021839 1518915426 1596411111 1798256194 2278373139 2312043678 2697384291 3192822222 3724959259 4556746278 4789233333 5394768582 7449918518 8092152873 9578466666 11174877777 16184305746 22349755554 26074714813 33524633331 52149429626 67049266662 78224144439 156448288878 234672433317 469344866634