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56606330380 = 22517268761961
BaseRepresentation
bin110100101110000000…
…000000111000001100
312102002222210112012211
4310232000000320030
51411412210033010
642000554040204
74042520604115
oct645600007014
9172088715184
1056606330380
1122008885926
12ab79419064
13545163c862
142a4dc9320c
15171484b08a
hexd2e000e0c

56606330380 has 48 divisors (see below), whose sum is σ = 125914715136. Its totient is φ = 21302343680.

The previous prime is 56606330371. The next prime is 56606330381. The reversal of 56606330380 is 8303360665.

It is not an unprimeable number, because it can be changed into a prime (56606330381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882600 + ... + 944560.

It is an arithmetic number, because the mean of its divisors is an integer number (2623223232).

Almost surely, 256606330380 is an apocalyptic number.

It is an amenable number.

56606330380 is an abundant number, since it is smaller than the sum of its proper divisors (69308384756).

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

56606330380 is a wasteful number, since it uses less digits than its factorization.

56606330380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64674 (or 64672 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 56606330380 in words is "fifty-six billion, six hundred six million, three hundred thirty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2687 5374 10748 13435 26870 45679 53740 61961 91358 123922 182716 228395 247844 309805 456790 619610 913580 1053337 1239220 2106674 4213348 5266685 10533370 21066740 166489207 332978414 665956828 832446035 1664892070 2830316519 3329784140 5660633038 11321266076 14151582595 28303165190 56606330380