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1428348824441 = 73111576593659
BaseRepresentation
bin10100110010010000001…
…110010110101101111001
312001112211002022021210122
4110302100032112231321
5141400224244340231
63012101400223025
7205123546454000
oct24622016265571
95045732267718
101428348824441
11500839746720
121b09a716aa75
13a4900b889c6
144d1bd63bc37
152724bd2b77b
hex14c90396b79

1428348824441 has 64 divisors (see below), whose sum is σ = 1831991040000. Its totient is φ = 1103929968960.

The previous prime is 1428348824359. The next prime is 1428348824443. The reversal of 1428348824441 is 1444288438241.

It is a happy number.

It is not a de Polignac number, because 1428348824441 - 210 = 1428348823417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1428348824443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 390364070 + ... + 390367728.

It is an arithmetic number, because the mean of its divisors is an integer number (28624860000).

Almost surely, 21428348824441 is an apocalyptic number.

1428348824441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1428348824441 is a deficient number, since it is larger than the sum of its proper divisors (403642215559).

1428348824441 is a wasteful number, since it uses less digits than its factorization.

1428348824441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 4493 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 53.

The spelling of 1428348824441 in words is "one trillion, four hundred twenty-eight billion, three hundred forty-eight million, eight hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 7 11 49 77 157 343 539 659 1099 1727 3659 3773 4613 7249 7693 12089 25613 32291 40249 50743 53851 84623 103463 179291 226037 281743 355201 574463 592361 724241 1138093 1255037 1972201 2411281 2486407 4021241 5069687 6319093 7966651 13805407 16878967 26524091 28148687 35487809 44233651 55766557 118152769 185668637 197040809 309635557 378571117 390365899 827069383 1299680459 2167448899 2649997819 4164282287 9097763213 18549984733 29149976009 129849893131 204049832063 1428348824441