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285928890052 = 221397225125183
BaseRepresentation
bin1000010100100101011…
…00001001111011000100
31000100000212122120122211
410022102230021323010
514141040243440202
6335204240233204
726441404315231
oct4122254117304
91010025576584
10285928890052
1110029744a113
12474b900b804
1320c69882c50
14dba6438788
1576871d11d7
hex4292b09ec4

285928890052 has 48 divisors (see below), whose sum is σ = 544684790272. Its totient is φ = 130543488000.

The previous prime is 285928890029. The next prime is 285928890083. The reversal of 285928890052 is 250098829582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11341453 + ... + 11366635.

Almost surely, 2285928890052 is an apocalyptic number.

It is an amenable number.

285928890052 is a deficient number, since it is larger than the sum of its proper divisors (258755900220).

285928890052 is a wasteful number, since it uses less digits than its factorization.

285928890052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27548 (or 27546 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 285928890052 in words is "two hundred eighty-five billion, nine hundred twenty-eight million, eight hundred ninety thousand, fifty-two".

Divisors: 1 2 4 13 26 52 97 194 388 1261 2251 2522 4502 5044 9004 25183 29263 50366 58526 100732 117052 218347 327379 436694 654758 873388 1309516 2442751 2838511 4885502 5677022 9771004 11354044 31755763 56686933 63511526 113373866 127023052 226747732 736930129 1473860258 2947720516 5498632501 10997265002 21994530004 71482222513 142964445026 285928890052