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20603839248 = 24321719442979
BaseRepresentation
bin10011001100000101…
…011010001100010000
31222011220202110222100
4103030011122030100
5314144040323443
613244255440400
71326403513116
oct231405321420
958156673870
1020603839248
11881336a423
123bb0226100
131c34818b75
14dd658bab6
15808c963d3
hex4cc15a310

20603839248 has 120 divisors (see below), whose sum is σ = 64267538400. Its totient is φ = 6123727872.

The previous prime is 20603839247. The next prime is 20603839253. The reversal of 20603839248 is 84293830602.

20603839248 is a `hidden beast` number, since 2 + 0 + 603 + 8 + 39 + 2 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (20603839247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174978 + ... + 268001.

It is an arithmetic number, because the mean of its divisors is an integer number (535562820).

Almost surely, 220603839248 is an apocalyptic number.

It is an amenable number.

20603839248 is an abundant number, since it is smaller than the sum of its proper divisors (43663699152).

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

20603839248 is a wasteful number, since it uses less digits than its factorization.

20603839248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443029 (or 443020 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 20603839248 in words is "twenty billion, six hundred three million, eight hundred thirty-nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 19 24 34 36 38 48 51 57 68 72 76 102 114 136 144 152 153 171 204 228 272 304 306 323 342 408 456 612 646 684 816 912 969 1224 1292 1368 1938 2448 2584 2736 2907 3876 5168 5814 7752 11628 15504 23256 46512 442979 885958 1328937 1771916 2657874 3543832 3986811 5315748 7087664 7530643 7973622 8416601 10631496 15061286 15947244 16833202 21262992 22591929 25249803 30122572 31894488 33666404 45183858 50499606 60245144 63788976 67332808 67775787 75749409 90367716 100999212 120490288 134665616 135551574 143082217 151498818 180735432 201998424 271103148 286164434 302997636 361470864 403996848 429246651 542206296 572328868 605995272 858493302 1084412592 1144657736 1211990544 1287739953 1716986604 2289315472 2575479906 3433973208 5150959812 6867946416 10301919624 20603839248