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1228828283660 = 225114895347847
BaseRepresentation
bin10001111000011011110…
…111111001001100001100
311100110211011012122201002
4101320123313321030030
5130113120020034120
62340303234435432
7154531340033165
oct21703367711414
94313734178632
101228828283660
1143416359230a
1217a1a4132b78
138bb54cac313
14436930c676c
1521e70a14375
hex11e1bdf930c

1228828283660 has 24 divisors (see below), whose sum is σ = 2580764487840. Its totient is φ = 491488438784.

The previous prime is 1228828283647. The next prime is 1228828283677. The reversal of 1228828283660 is 663828288221.

It is a junction number, because it is equal to n+sod(n) for n = 1228828283596 and 1228828283605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2444144 + ... + 2903703.

It is an arithmetic number, because the mean of its divisors is an integer number (107531853660).

Almost surely, 21228828283660 is an apocalyptic number.

1228828283660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228828283660 is an abundant number, since it is smaller than the sum of its proper divisors (1351936204180).

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

1228828283660 is a wasteful number, since it uses less digits than its factorization.

1228828283660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359345 (or 5359343 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 56.

The spelling of 1228828283660 in words is "one trillion, two hundred twenty-eight billion, eight hundred twenty-eight million, two hundred eighty-three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 11489 22978 45956 57445 114890 229780 5347847 10695694 21391388 26739235 53478470 106956940 61441414183 122882828366 245765656732 307207070915 614414141830 1228828283660