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4243873261 = 43390725261
BaseRepresentation
bin1111110011110100…
…0101110111101101
3101221202121002200011
43330331011313231
532142412421021
61541040533221
7210111220225
oct37475056755
911852532604
104243873261
111888612881
129a5321211
135282ca514
142c38b7085
1519c898de1
hexfcf45ded

4243873261 has 8 divisors (see below), whose sum is σ = 4343851424. Its totient is φ = 4143953520.

The previous prime is 4243873243. The next prime is 4243873289. The reversal of 4243873261 is 1623783424.

It is a happy number.

4243873261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4243873261 - 27 = 4243873133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243873201) 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, 155371 + ... + 180631.

It is an arithmetic number, because the mean of its divisors is an integer number (542981428).

Almost surely, 24243873261 is an apocalyptic number.

It is an amenable number.

4243873261 is a deficient number, since it is larger than the sum of its proper divisors (99978163).

4243873261 is a wasteful number, since it uses less digits than its factorization.

4243873261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29211.

The product of its digits is 193536, while the sum is 40.

The square root of 4243873261 is about 65145.0171617139. The cubic root of 4243873261 is about 1619.0271633341.

The spelling of 4243873261 in words is "four billion, two hundred forty-three million, eight hundred seventy-three thousand, two hundred sixty-one".

Divisors: 1 43 3907 25261 168001 1086223 98694727 4243873261