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830851785192 = 2331113733316297
BaseRepresentation
bin11000001011100101010…
…00000010000111101000
32221102120111012210222110
430011302220002013220
5102103041024111232
61433404341122320
7114012165435432
oct14056250020750
92842514183873
10830851785192
112a03a9199630
121150366b93a0
136046c956480
142c2db979652
151692bac1acc
hexc172a021e8

830851785192 has 128 divisors (see below), whose sum is σ = 2473693004160. Its totient is φ = 229222379520.

The previous prime is 830851785163. The next prime is 830851785193. The reversal of 830851785192 is 291587158038.

It is not an unprimeable number, because it can be changed into a prime (830851785193) 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, 1407613 + ... + 1908684.

It is an arithmetic number, because the mean of its divisors is an integer number (19325726595).

Almost surely, 2830851785192 is an apocalyptic number.

It is an amenable number.

830851785192 is an abundant number, since it is smaller than the sum of its proper divisors (1642841218968).

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

830851785192 is a wasteful number, since it uses less digits than its factorization.

830851785192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316403 (or 3316399 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 57.

The spelling of 830851785192 in words is "eight hundred thirty billion, eight hundred fifty-one million, seven hundred eighty-five thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 73 78 88 104 132 143 146 156 219 264 286 292 312 429 438 572 584 803 858 876 949 1144 1606 1716 1752 1898 2409 2847 3212 3432 3796 4818 5694 6424 7592 9636 10439 11388 19272 20878 22776 31317 41756 62634 83512 125268 250536 3316297 6632594 9948891 13265188 19897782 26530376 36479267 39795564 43111861 72958534 79591128 86223722 109437801 129335583 145917068 172447444 218875602 242089681 258671166 291834136 344894888 437751204 474230471 484179362 517342332 726269043 875502408 948460942 968358724 1034684664 1422691413 1452538086 1896921884 1936717448 2662986491 2845382826 2905076172 3147165853 3793843768 5325972982 5690765652 5810152344 6294331706 7988959473 9441497559 10651945964 11381531304 12588663412 15977918946 18882995118 21303891928 25177326824 31955837892 34618824383 37765990236 63911675784 69237648766 75531980472 103856473149 138475297532 207712946298 276950595064 415425892596 830851785192