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56283897828 = 22319699135311
BaseRepresentation
bin110100011010110010…
…000001111111100100
312101021112002020220110
4310122302001333210
51410232134212303
641504555133020
74031524144404
oct643262017744
9171245066813
1056283897828
112196287a544
12aaa9444170
1353cc8b9372
142a1d120804
1516e63aa703
hexd1ac81fe4

56283897828 has 48 divisors (see below), whose sum is σ = 138264842240. Its totient is φ = 17770816800.

The previous prime is 56283897797. The next prime is 56283897863. The reversal of 56283897828 is 82879838265.

It is a happy number.

56283897828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1576293 + ... + 1611603.

Almost surely, 256283897828 is an apocalyptic number.

It is an amenable number.

56283897828 is an abundant number, since it is smaller than the sum of its proper divisors (81980944412).

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

56283897828 is a wasteful number, since it uses less digits than its factorization.

56283897828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42328 (or 42326 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 66.

The spelling of 56283897828 in words is "fifty-six billion, two hundred eighty-three million, eight hundred ninety-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 6991 13982 20973 27964 35311 41946 70622 83892 105933 132829 141244 211866 265658 398487 423732 531316 670909 796974 1341818 1593948 2012727 2683636 4025454 8050908 246859201 493718402 740577603 987436804 1481155206 2962310412 4690324819 9380649638 14070974457 18761299276 28141948914 56283897828