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16947082434 = 23174147151571
BaseRepresentation
bin11111100100001111…
…11111010011000010
31121202001220222122210
433302013333103002
5234201423114214
611441350442550
71136651552412
oct176207772302
947661828583
1016947082434
117207205957
12334b663456
1317a1056039
14b6aa66642
15692c22b59
hex3f21ff4c2

16947082434 has 128 divisors (see below), whose sum is σ = 37860286464. Its totient is φ = 5034240000.

The previous prime is 16947082429. The next prime is 16947082447. The reversal of 16947082434 is 43428074961.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29679369 + ... + 29679939.

It is an arithmetic number, because the mean of its divisors is an integer number (295783488).

Almost surely, 216947082434 is an apocalyptic number.

16947082434 is an abundant number, since it is smaller than the sum of its proper divisors (20913204030).

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

16947082434 is a wasteful number, since it uses less digits than its factorization.

16947082434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 16947082434 in words is "sixteen billion, nine hundred forty-seven million, eighty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 17 34 41 47 51 82 94 102 123 141 151 246 282 302 453 571 697 799 906 1142 1394 1598 1713 1927 2091 2397 2567 3426 3854 4182 4794 5134 5781 6191 7097 7701 9707 11562 12382 14194 15402 18573 19414 21291 23411 26837 29121 32759 37146 42582 46822 53674 58242 65518 70233 80511 86221 98277 105247 120649 140466 161022 172442 196554 210494 241298 258663 290977 315741 361947 397987 456229 517326 581954 631482 723894 795974 872931 912458 1100317 1193961 1368687 1465757 1745862 2200634 2387922 2737374 2931514 3300951 3535061 4052387 4397271 4946609 6601902 7070122 8104774 8794542 9893218 10605183 12157161 14839827 18705389 21210366 24314322 29679654 37410778 56116167 60096037 68890579 112232334 120192074 137781158 166147867 180288111 206671737 332295734 360576222 413343474 498443601 996887202 2824513739 5649027478 8473541217 16947082434