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4866317881 = 17893216337
BaseRepresentation
bin1001000100000111…
…00001111000111001
3110120010211120011121
410202003201320321
534431234133011
62122514025241
7231410006455
oct44203417071
913503746147
104866317881
112077a00717
12b39878221
135c7254149
14342423665
151d734be71
hex1220e1e39

4866317881 has 8 divisors (see below), whose sum is σ = 5210467560. Its totient is φ = 4528601088.

The previous prime is 4866317861. The next prime is 4866317887. The reversal of 4866317881 is 1887136684.

It can be written as a sum of positive squares in 4 ways, for example, as 369408400 + 4496909481 = 19220^2 + 67059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4866317881 - 25 = 4866317849 is a prime.

It is a super-4 number, since 4×48663178814 (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4866317887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606656 + ... + 1609681.

It is an arithmetic number, because the mean of its divisors is an integer number (651308445).

Almost surely, 24866317881 is an apocalyptic number.

It is an amenable number.

4866317881 is a deficient number, since it is larger than the sum of its proper divisors (344149679).

4866317881 is a wasteful number, since it uses less digits than its factorization.

4866317881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216443.

The product of its digits is 1548288, while the sum is 52.

The square root of 4866317881 is about 69758.9985664932. The cubic root of 4866317881 is about 1694.5985284346.

The spelling of 4866317881 in words is "four billion, eight hundred sixty-six million, three hundred seventeen thousand, eight hundred eighty-one".

Divisors: 1 17 89 1513 3216337 54677729 286253993 4866317881