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28601764822228 = 221343346716011699
BaseRepresentation
bin1101000000011010111100…
…00010000011110011010100
310202021022011011112012222111
412200031132002003303110
512222102403243302403
6140455245214440404
76011260252441363
oct640153602036324
9122238134465874
1028601764822228
119127a38660934
12325b269203104
1312c619a3597b0
1470c4932db7da
15348ee6a7456d
hex1a035e083cd4

28601764822228 has 96 divisors (see below), whose sum is σ = 54209211638400. Its totient is φ = 13126186598400.

The previous prime is 28601764822201. The next prime is 28601764822243. The reversal of 28601764822228 is 82222846710682.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16834469323 + ... + 16834471021.

It is an arithmetic number, because the mean of its divisors is an integer number (564679287900).

Almost surely, 228601764822228 is an apocalyptic number.

It is an amenable number.

28601764822228 is a deficient number, since it is larger than the sum of its proper divisors (25607446816172).

28601764822228 is a wasteful number, since it uses less digits than its factorization.

28601764822228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217 (or 4215 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 58.

The spelling of 28601764822228 in words is "twenty-eight trillion, six hundred one billion, seven hundred sixty-four million, eight hundred twenty-two thousand, two hundred twenty-eight".

Divisors: 1 2 4 13 26 52 433 467 866 934 1601 1699 1732 1868 3202 3398 5629 6071 6404 6796 11258 12142 20813 22087 22516 24284 41626 44174 83252 88348 202211 404422 693233 735667 747667 793433 808844 1386466 1471334 1495334 1586866 2628743 2720099 2772932 2942668 2990668 3173732 5257486 5440198 9012029 9563671 9719671 10314629 10514972 10880396 18024058 19127342 19439342 20629258 35361287 36048116 38254684 38878684 41258516 70722574 141445148 323739811 343556489 647479622 687112978 1177802867 1270286233 1294959244 1374225956 2355605734 2540572466 4208617543 4466234357 4711211468 5081144932 8417235086 8932468714 15311437271 16513721029 16834470172 17864937428 30622874542 33027442058 61245749084 66054884116 550033938889 1100067877778 2200135755556 7150441205557 14300882411114 28601764822228