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4876808661 = 33180622543
BaseRepresentation
bin1001000101010111…
…00011000111010101
3110120212120112211000
410202223203013111
534441430334121
62123530533513
7231565122024
oct44253430725
913525515730
104876808661
11208291658a
12b41297299
135c94881ca
143439948bb
151d8220526
hex122ae31d5

4876808661 has 8 divisors (see below), whose sum is σ = 7224901760. Its totient is φ = 3251205756.

The previous prime is 4876808627. The next prime is 4876808711. The reversal of 4876808661 is 1668086784.

4876808661 is a `hidden beast` number, since 487 + 6 + 80 + 86 + 6 + 1 = 666.

It is not a de Polignac number, because 4876808661 - 221 = 4874711509 is a prime.

It is a super-2 number, since 2×48768086612 = 47566525432009225842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4876808598 and 4876808607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4876808161) 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, 90311245 + ... + 90311298.

It is an arithmetic number, because the mean of its divisors is an integer number (903112720).

Almost surely, 24876808661 is an apocalyptic number.

It is an amenable number.

4876808661 is a deficient number, since it is larger than the sum of its proper divisors (2348093099).

4876808661 is a wasteful number, since it uses less digits than its factorization.

4876808661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180622552 (or 180622546 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 4876808661 is about 69834.1511081792. The cubic root of 4876808661 is about 1695.8153896611.

The spelling of 4876808661 in words is "four billion, eight hundred seventy-six million, eight hundred eight thousand, six hundred sixty-one".

Divisors: 1 3 9 27 180622543 541867629 1625602887 4876808661