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42765752208 = 2432803317857
BaseRepresentation
bin100111110101000010…
…011001011110010000
311002101102022022021110
4213311002121132100
51200041013032313
631351334253320
73042526616214
oct476502313620
9132342268243
1042765752208
1117156174673
1283561b7240
13405707b22a
1420d9a38944
1511a4708ec3
hex9f5099790

42765752208 has 40 divisors (see below), whose sum is σ = 110517955168. Its totient is φ = 14250120192.

The previous prime is 42765752201. The next prime is 42765752251. The reversal of 42765752208 is 80225756724.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (42765752201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24385 + ... + 293472.

Almost surely, 242765752208 is an apocalyptic number.

42765752208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42765752208 is an abundant number, since it is smaller than the sum of its proper divisors (67752202960).

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

42765752208 is a wasteful number, since it uses less digits than its factorization.

42765752208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320671 (or 320665 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 42765752208 in words is "forty-two billion, seven hundred sixty-five million, seven hundred fifty-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 2803 5606 8409 11212 16818 22424 33636 44848 67272 134544 317857 635714 953571 1271428 1907142 2542856 3814284 5085712 7628568 15257136 890953171 1781906342 2672859513 3563812684 5345719026 7127625368 10691438052 14255250736 21382876104 42765752208