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4381795169680 = 2451731531960991
BaseRepresentation
bin111111110000110111010…
…110000011010110010000
3120111220011211122212112011
4333300313112003112100
51033242404030412210
613152545141312304
7631400653256065
oct77606726032620
916456154585464
104381795169680
11143a34415a555
125a927a405694
1325a28094a716
141121197d6c6c
1578ea9539d8a
hex3fc37583590

4381795169680 has 160 divisors (see below), whose sum is σ = 11345013301248. Its totient is φ = 1566281932800.

The previous prime is 4381795169641. The next prime is 4381795169681. The reversal of 4381795169680 is 869615971834.

It is not an unprimeable number, because it can be changed into a prime (4381795169681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1253985 + ... + 3214975.

Almost surely, 24381795169680 is an apocalyptic number.

4381795169680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4381795169680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5672506650624).

4381795169680 is an abundant number, since it is smaller than the sum of its proper divisors (6963218131568).

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

4381795169680 is a wasteful number, since it uses less digits than its factorization.

4381795169680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961105 (or 1961099 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 4381795169680 in words is "four trillion, three hundred eighty-one billion, seven hundred ninety-five million, one hundred sixty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 31 34 40 53 62 68 80 85 106 124 136 155 170 212 248 265 272 310 340 424 496 527 530 620 680 848 901 1054 1060 1240 1360 1643 1802 2108 2120 2480 2635 3286 3604 4216 4240 4505 5270 6572 7208 8215 8432 9010 10540 13144 14416 16430 18020 21080 26288 27931 32860 36040 42160 55862 65720 72080 111724 131440 139655 223448 279310 446896 558620 1117240 1960991 2234480 3921982 7843964 9804955 15687928 19609910 31375856 33336847 39219820 60790721 66673694 78439640 103932523 121581442 133347388 156879280 166684235 207865046 243162884 266694776 303953605 333368470 415730092 486325768 519662615 533389552 607907210 666736940 831460184 972651536 1033442257 1039325230 1215814420 1333473880 1662920368 1766852891 2066884514 2078650460 2431628840 2666947760 3221908213 3533705782 4133769028 4157300920 4863257680 5167211285 6443816426 7067411564 8267538056 8314601840 8834264455 10334422570 12887632852 14134823128 16109541065 16535076112 17668528910 20668845140 25775265704 28269646256 32219082130 35337057820 41337690280 51550531408 54772439621 64438164260 70674115640 82675380560 109544879242 128876328520 141348231280 219089758484 257752657040 273862198105 438179516968 547724396210 876359033936 1095448792420 2190897584840 4381795169680