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483871880881 = 19231211812
BaseRepresentation
bin1110000101010010000…
…00101111011010110001
31201020221212022101001101
413002221000233122301
530411432200142011
61010142045404401
746646540061034
oct7025100573261
91636855271041
10483871880881
11177233075934
127993b869701
133682398721c
14195c326101b
15c8bec812c1
hex70a902f6b1

483871880881 has 27 divisors (see below), whose sum is σ = 528131303019. Its totient is φ = 443242054800.

The previous prime is 483871880879. The next prime is 483871880977. The reversal of 483871880881 is 188088178384.

The square root of 483871880881 is 695609.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 443767813281 + 40104067600 = 666159^2 + 200260^2 .

It is not a de Polignac number, because 483871880881 - 21 = 483871880879 is a prime.

It is a super-2 number, since 2×4838718808812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (483871880861) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 409713111 + ... + 409714291.

Almost surely, 2483871880881 is an apocalyptic number.

483871880881 is the 695609-th square number.

483871880881 is the 347805-th centered octagonal number.

It is an amenable number.

483871880881 is a deficient number, since it is larger than the sum of its proper divisors (44259422138).

483871880881 is an frugal number, since it uses more digits than its factorization.

483871880881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 22020096, while the sum is 64.

Multiplying 483871880881 by its sum of digits (64), we get a square (30967800376384 = 55648722).

The spelling of 483871880881 in words is "four hundred eighty-three billion, eight hundred seventy-one million, eight hundred eighty thousand, eight hundred eighty-one".

Divisors: 1 19 31 361 589 961 1181 11191 18259 22439 36611 346921 426341 695609 1134941 1394761 13216571 21563879 26500459 43237591 409713701 503508721 821514229 1340365321 15608770351 25466941099 483871880881