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38686676424 = 23311315878053
BaseRepresentation
bin100100000001111001…
…111101010111001000
310200212010210210020120
4210001321331113020
51113212242121144
625434501423240
72536456216044
oct440171752710
9120763723216
1038686676424
1115452690660
1275b810ab20
133856c61016
141c2ddbd024
151016563e19
hex901e7d5c8

38686676424 has 128 divisors (see below), whose sum is σ = 109111726080. Its totient is φ = 11324332800.

The previous prime is 38686676401. The next prime is 38686676449. The reversal of 38686676424 is 42467668683.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4799982 + ... + 4808034.

It is an arithmetic number, because the mean of its divisors is an integer number (852435360).

Almost surely, 238686676424 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 38686676424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54555863040).

38686676424 is an abundant number, since it is smaller than the sum of its proper divisors (70425049656).

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

38686676424 is a wasteful number, since it uses less digits than its factorization.

38686676424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691 (or 8687 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 60.

The spelling of 38686676424 in words is "thirty-eight billion, six hundred eighty-six million, six hundred seventy-six thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 31 33 44 62 66 88 93 124 132 186 248 264 341 372 587 682 744 1023 1174 1364 1761 2046 2348 2728 3522 4092 4696 6457 7044 8053 8184 12914 14088 16106 18197 19371 24159 25828 32212 36394 38742 48318 51656 54591 64424 72788 77484 88583 96636 109182 145576 154968 177166 193272 200167 218364 249643 265749 354332 400334 436728 499286 531498 600501 708664 748929 800668 998572 1062996 1201002 1497858 1601336 1997144 2125992 2402004 2746073 2995716 4727111 4804008 5492146 5991432 8238219 9454222 10984292 14181333 16476438 18908444 21968584 28362666 32952876 37816888 51998221 56725332 65905752 103996442 113450664 146540441 155994663 207992884 293080882 311989326 415985768 439621323 586161764 623978652 879242646 1172323528 1247957304 1611944851 1758485292 3223889702 3516970584 4835834553 6447779404 9671669106 12895558808 19343338212 38686676424