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28254342573045 = 3355359431155291
BaseRepresentation
bin1100110110010011110100…
…00011010110101111110101
310201001002101201021022222000
412123021322003112233311
512200404343144314140
6140031511002125513
75644210643156541
oct633117203265765
9121032351238860
1028254342573045
11900366587a966
123203a6a1b0899
13129c4b0841014
146d9735d58a21
1533ee60ea8a30
hex19b27a0d6bf5

28254342573045 has 128 divisors (see below), whose sum is σ = 52166185574400. Its totient is φ = 14500259654400.

The previous prime is 28254342573031. The next prime is 28254342573049. The reversal of 28254342573045 is 54037524345282.

28254342573045 is a `hidden beast` number, since 2 + 8 + 2 + 54 + 34 + 257 + 304 + 5 = 666.

It is not a de Polignac number, because 28254342573045 - 27 = 28254342572917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28254342572982 and 28254342573000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28254342573049) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 181866850 + ... + 182022140.

It is an arithmetic number, because the mean of its divisors is an integer number (407548324800).

Almost surely, 228254342573045 is an apocalyptic number.

It is an amenable number.

28254342573045 is a deficient number, since it is larger than the sum of its proper divisors (23911843001355).

28254342573045 is a wasteful number, since it uses less digits than its factorization.

28254342573045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155848 (or 155842 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 54.

The spelling of 28254342573045 in words is "twenty-eight trillion, two hundred fifty-four billion, three hundred forty-two million, five hundred seventy-three thousand, forty-five".

Divisors: 1 3 5 9 15 27 45 53 59 135 159 177 265 295 431 477 531 795 885 1293 1431 1593 2155 2385 2655 3127 3879 6465 7155 7965 9381 11637 15635 19395 22843 25429 28143 46905 58185 68529 76287 84429 114215 127145 140715 155291 205587 228861 342645 381435 422145 465873 616761 686583 776455 1027935 1144305 1347737 1397619 2329365 3083805 3432915 4043211 4192857 6738685 6988095 8230423 9162169 12129633 20216055 20964285 24691269 27486507 36388899 41152115 45810845 60648165 66930421 74073807 82459521 123456345 137432535 181944495 200791263 222221421 247378563 334652105 370369035 412297605 485594957 602373789 1003956315 1111107105 1236892815 1456784871 1807121367 2427974785 3011868945 3547312313 3948894839 4370354613 7283924355 9035606835 10641936939 11846684517 13111063839 17736561565 19744474195 21851773065 31925810817 35540053551 53209684695 59233422585 65555319195 95777432451 106620160653 159629054085 177700267755 209291426467 478887162255 533100803265 627874279401 1046457132335 1883622838203 3139371397005 5650868514609 9418114191015 28254342573045