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4879213081 = 71655310487
BaseRepresentation
bin1001000101101001…
…01110001000011001
3110121001002201001121
410202310232020121
534443034304311
62124054245241
7231624425011
oct44264561031
913531081047
104879213081
112084209006
12b42056821
135c9b1a742
1434401cc41
151d8547b71
hex122d2e219

4879213081 has 8 divisors (see below), whose sum is σ = 4949161344. Its totient is φ = 4809299040.

The previous prime is 4879213069. The next prime is 4879213099. The reversal of 4879213081 is 1803129784.

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 4879213081 - 211 = 4879211033 is a prime.

It is a super-2 number, since 2×48792130812 = 47613440579603025122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4879211081) 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, 460020 + ... + 470506.

It is an arithmetic number, because the mean of its divisors is an integer number (618645168).

Almost surely, 24879213081 is an apocalyptic number.

It is an amenable number.

4879213081 is a deficient number, since it is larger than the sum of its proper divisors (69948263).

4879213081 is a wasteful number, since it uses less digits than its factorization.

4879213081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17111.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 4879213081 is about 69851.3642028558. The cubic root of 4879213081 is about 1696.0940406398.

The spelling of 4879213081 in words is "four billion, eight hundred seventy-nine million, two hundred thirteen thousand, eighty-one".

Divisors: 1 71 6553 10487 465263 744577 68721311 4879213081