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38449894483 = 71121317192569
BaseRepresentation
bin100011110011110010…
…101101010001010011
310200020122021000111001
4203303302231101103
51112221133110413
625355202402431
72530552465510
oct436362552123
9120218230431
1038449894483
1115340a65900
127550960417
133819b98b70
141c0a784307
1510008914dd
hex8f3cad453

38449894483 has 144 divisors (see below), whose sum is σ = 58229357760. Its totient is φ = 24616120320.

The previous prime is 38449894481. The next prime is 38449894519.

38449894483 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 38449894483 - 21 = 38449894481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38449894481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 67574223 + ... + 67574791.

It is an arithmetic number, because the mean of its divisors is an integer number (404370540).

Almost surely, 238449894483 is an apocalyptic number.

38449894483 is a deficient number, since it is larger than the sum of its proper divisors (19779463277).

38449894483 is a wasteful number, since it uses less digits than its factorization.

38449894483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 636 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 64.

The spelling of 38449894483 in words is "thirty-eight billion, four hundred forty-nine million, eight hundred ninety-four thousand, four hundred eighty-three".

Divisors: 1 7 11 13 17 19 77 91 119 121 133 143 187 209 221 247 323 361 569 847 1001 1309 1463 1547 1573 1729 2057 2261 2299 2431 2527 2717 3553 3971 3983 4199 4693 6137 6259 7397 9673 10811 11011 14399 16093 17017 19019 24871 26741 27797 29393 29887 32851 39083 42959 43681 43813 46189 51623 51779 67507 67711 68849 75677 79781 81367 106403 118921 125749 140543 183787 187187 205409 209209 273581 305767 323323 361361 472549 481943 508079 558467 567853 569569 742577 744821 832447 877591 880243 895037 983801 1170433 1286509 1308131 1383239 1437863 1545973 2021657 2259499 2389231 2670317 3491953 3556553 3974971 5198039 6143137 6265259 8193031 9156917 9653501 9682673 10821811 14151599 15215629 15816493 16724617 17005703 18692219 22238227 24443671 24854489 26281541 29373487 38411483 45395389 67574507 106509403 119039921 155667589 173981423 183970787 205614409 268880381 289096951 317767723 323108357 422526313 499349279 2023678657 2261758499 2957684191 3495444953 5492842069 38449894483