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56835287620 = 22510128136281
BaseRepresentation
bin110100111011101001…
…011010101001000100
312102200221121202111121
4310323221122221010
51412344313200440
642035413243324
74051300654666
oct647351325104
9172627552447
1056835287620
1122116046891
12b022033544
135489bc5307
142a72452536
1517299c534a
hexd3ba5aa44

56835287620 has 24 divisors (see below), whose sum is σ = 120535832088. Its totient is φ = 22509024000.

The previous prime is 56835287569. The next prime is 56835287653. The reversal of 56835287620 is 2678253865.

56835287620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6256177216 + 50579110404 = 79096^2 + 224898^2 .

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, 14066121 + ... + 14070160.

It is an arithmetic number, because the mean of its divisors is an integer number (5022326337).

Almost surely, 256835287620 is an apocalyptic number.

It is an amenable number.

56835287620 is an abundant number, since it is smaller than the sum of its proper divisors (63700544468).

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

56835287620 is a wasteful number, since it uses less digits than its factorization.

56835287620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28136391 (or 28136389 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 56835287620 in words is "fifty-six billion, eight hundred thirty-five million, two hundred eighty-seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 28136281 56272562 112545124 140681405 281362810 562725620 2841764381 5683528762 11367057524 14208821905 28417643810 56835287620