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387682080846736 = 2413279247932
BaseRepresentation
bin101100000100110000100010…
…0101101101111001110010000
31212211200001012210012200110011
41120021201010231233032100
5401303240400144043421
63452310404514044304
7144442051240453054
oct13011410455571620
91784601183180404
10387682080846736
11102589057872525
1237593474579694
1313842356797900
146ba3cacb43c64
152ec47798154e1
hex1609844b6f390

387682080846736 has 135 divisors (see below), whose sum is σ = 823956058599219. Its totient is φ = 176628393017856.

The previous prime is 387682080846721. The next prime is 387682080846757. The reversal of 387682080846736 is 637648080286783.

The square root of 387682080846736 is 19689644.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 111986606736 + 387570094240000 = 334644^2 + 19686800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 80885055156 + ... + 80885059948.

Almost surely, 2387682080846736 is an apocalyptic number.

387682080846736 is the 19689644-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387682080846736

387682080846736 is an abundant number, since it is smaller than the sum of its proper divisors (436273977752483).

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

387682080846736 is an frugal number, since it uses more digits than its factorization.

387682080846736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9778 (or 4887 counting only the distinct ones).

The product of its (nonzero) digits is 3121348608, while the sum is 76.

The spelling of 387682080846736 in words is "three hundred eighty-seven trillion, six hundred eighty-two billion, eighty million, eight hundred forty-six thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 52 79 104 158 169 208 316 338 632 676 1027 1264 1352 2054 2704 4108 4793 6241 8216 9586 12482 13351 16432 19172 24964 26702 38344 49928 53404 62309 76688 81133 99856 106808 124618 162266 213616 249236 324532 378647 498472 649064 757294 810017 996944 1054729 1298128 1514588 1620034 2109458 3029176 3240068 4218916 4922411 6058352 6480136 8437832 9844822 12960272 16875664 19689644 22972849 29913113 39379288 45945698 59826226 63991343 78758576 91891396 119652452 127982686 183782792 239304904 255965372 298647037 367565584 388870469 478609808 511930744 597294074 777740938 1023861488 1194588148 1555481876 1814855071 2389176296 3110963752 3629710142 3882411481 4778352592 5055316097 6221927504 7259420284 7764822962 10110632194 14518840568 15529645924 20221264388 23593115923 29037681136 31059291848 40442528776 47186231846 62118583696 80885057552 94372463692 143373550609 188744927384 286747101218 306710506999 377489854768 573494202436 613421013998 1146988404872 1226842027996 1863856157917 2293976809744 2453684055992 3727712315834 4907368111984 7455424631668 14910849263336 24230130052921 29821698526672 48460260105842 96920520211684 193841040423368 387682080846736