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38365145841408 = 283167764939107
BaseRepresentation
bin10001011100100100101001…
…11000111011111100000000
312000211200010222101211012120
420232102110320323330000
520012033304313411113
6213332412113524240
711036535036012651
oct1056222470737400
9160750128354176
1038365145841408
1111251626717441
124377509873680
131853a82721b59
14968c50c07528
15467e737b4a23
hex22e494e3bf00

38365145841408 has 144 divisors (see below), whose sum is σ = 102734713670400. Its totient is φ = 12709817909248.

The previous prime is 38365145841377. The next prime is 38365145841419. The reversal of 38365145841408 is 80414854156383.

It is a congruent 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, 981010591 + ... + 981049697.

It is an arithmetic number, because the mean of its divisors is an integer number (713435511600).

Almost surely, 238365145841408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38365145841408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51367356835200).

38365145841408 is an abundant number, since it is smaller than the sum of its proper divisors (64369567828992).

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

38365145841408 is a wasteful number, since it uses less digits than its factorization.

38365145841408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46942 (or 46928 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 60.

The spelling of 38365145841408 in words is "thirty-eight trillion, three hundred sixty-five billion, one hundred forty-five million, eight hundred forty-one thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 167 192 256 334 384 501 668 768 1002 1336 2004 2672 4008 5344 7649 8016 10688 15298 16032 21376 22947 30596 32064 39107 42752 45894 61192 64128 78214 91788 117321 122384 128256 156428 183576 234642 244768 312856 367152 469284 489536 625712 734304 938568 979072 1251424 1277383 1468608 1877136 1958144 2502848 2554766 2937216 3754272 3832149 5005696 5109532 5874432 6530869 7508544 7664298 10011392 10219064 13061738 15017088 15328596 19592607 20438128 26123476 30034176 30657192 39185214 40876256 52246952 61314384 78370428 81752512 104493904 122628768 156740856 163505024 208987808 245257536 299129443 313481712 327010048 417975616 490515072 598258886 626963424 835951232 897388329 981030144 1196517772 1253926848 1671902464 1794776658 2393035544 2507853696 3589553316 4786071088 5015707392 7179106632 9572142176 14358213264 19144284352 28716426528 38288568704 49954616981 57432853056 76577137408 99909233962 114865706112 149863850943 199818467924 229731412224 299727701886 399636935848 599455403772 799273871696 1198910807544 1598547743392 2397821615088 3197095486784 4795643230176 6394190973568 9591286460352 12788381947136 19182572920704 38365145841408