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4200078789 = 32466675421
BaseRepresentation
bin1111101001011000…
…0001110111000101
3101211201012002221200
43322112001313011
532100210010124
61532434133113
7206040036444
oct37226016705
911751162850
104200078789
1118659203a5
12992721199
1351c20582a
142bbb56d5b
15198ae7bc9
hexfa581dc5

4200078789 has 6 divisors (see below), whose sum is σ = 6066780486. Its totient is φ = 2800052520.

The previous prime is 4200078767. The next prime is 4200078821. The reversal of 4200078789 is 9878700024.

4200078789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4145170689 + 54908100 = 64383^2 + 7410^2 .

It is not a de Polignac number, because 4200078789 - 212 = 4200074693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200078709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233337702 + ... + 233337719.

It is an arithmetic number, because the mean of its divisors is an integer number (1011130081).

Almost surely, 24200078789 is an apocalyptic number.

It is an amenable number.

4200078789 is a deficient number, since it is larger than the sum of its proper divisors (1866701697).

4200078789 is a wasteful number, since it uses less digits than its factorization.

4200078789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466675427 (or 466675424 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 4200078789 is about 64808.0148515598. The cubic root of 4200078789 is about 1613.4387348844.

The spelling of 4200078789 in words is "four billion, two hundred million, seventy-eight thousand, seven hundred eighty-nine".

Divisors: 1 3 9 466675421 1400026263 4200078789