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4987771652 = 221921364901
BaseRepresentation
bin1001010010100101…
…10101101100000100
3110212121101001102102
410221102311230010
540203332143102
62142533131232
7234413234213
oct45122655404
913777331372
104987771652
11212a515736
12b72489b18
13616469996
143545db07a
151e2d3d402
hex1294b5b04

4987771652 has 12 divisors (see below), whose sum is σ = 8729189196. Its totient is φ = 2493717600.

The previous prime is 4987771639. The next prime is 4987771673. The reversal of 4987771652 is 2561777894.

It can be written as a sum of positive squares in 2 ways, for example, as 4586811076 + 400960576 = 67726^2 + 20024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44402 + ... + 109302.

It is an arithmetic number, because the mean of its divisors is an integer number (727432433).

Almost surely, 24987771652 is an apocalyptic number.

It is an amenable number.

4987771652 is a deficient number, since it is larger than the sum of its proper divisors (3741417544).

4987771652 is a wasteful number, since it uses less digits than its factorization.

4987771652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84118 (or 84116 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 56.

The square root of 4987771652 is about 70624.1577082516. The cubic root of 4987771652 is about 1708.5807966360.

The spelling of 4987771652 in words is "four billion, nine hundred eighty-seven million, seven hundred seventy-one thousand, six hundred fifty-two".

Divisors: 1 2 4 19213 38426 64901 76852 129802 259604 1246942913 2493885826 4987771652