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4784163988 = 222941242793
BaseRepresentation
bin1000111010010100…
…01000110010010100
3110100102020201012211
410131022020302110
534244221221423
62110421123204
7226361502652
oct43512106224
913312221184
104784163988
11203559923a
12b16259504
135b321b586
14335559dd2
151d002010d
hex11d288c94

4784163988 has 12 divisors (see below), whose sum is σ = 8660986740. Its totient is φ = 2309596352.

The previous prime is 4784163947. The next prime is 4784164003. The reversal of 4784163988 is 8893614874.

It can be written as a sum of positive squares in 2 ways, for example, as 798514564 + 3985649424 = 28258^2 + 63132^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20621281 + ... + 20621512.

It is an arithmetic number, because the mean of its divisors is an integer number (721748895).

Almost surely, 24784163988 is an apocalyptic number.

It is an amenable number.

4784163988 is a deficient number, since it is larger than the sum of its proper divisors (3876822752).

4784163988 is a wasteful number, since it uses less digits than its factorization.

4784163988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41242826 (or 41242824 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 58.

The square root of 4784163988 is about 69167.6513118669. The cubic root of 4784163988 is about 1685.0082020810.

The spelling of 4784163988 in words is "four billion, seven hundred eighty-four million, one hundred sixty-three thousand, nine hundred eighty-eight".

Divisors: 1 2 4 29 58 116 41242793 82485586 164971172 1196040997 2392081994 4784163988