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4221279055 = 57671800119
BaseRepresentation
bin1111101110011011…
…1001101101001111
3101220012002012020201
43323212321231033
532121121412210
61534512354331
7206415165010
oct37346715517
911805065221
104221279055
111876890484
129998459a7
13523719376
142c08b5007
1519a8d453a
hexfb9b9b4f

4221279055 has 16 divisors (see below), whose sum is σ = 5875591680. Its totient is φ = 2851386912.

The previous prime is 4221279047. The next prime is 4221279071. The reversal of 4221279055 is 5509721224.

It is a cyclic number.

It is not a de Polignac number, because 4221279055 - 23 = 4221279047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897715 + ... + 902404.

It is an arithmetic number, because the mean of its divisors is an integer number (367224480).

Almost surely, 24221279055 is an apocalyptic number.

4221279055 is a deficient number, since it is larger than the sum of its proper divisors (1654312625).

4221279055 is a wasteful number, since it uses less digits than its factorization.

4221279055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800198.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 4221279055 is about 64971.3710414056. The cubic root of 4221279055 is about 1616.1488379918.

The spelling of 4221279055 in words is "four billion, two hundred twenty-one million, two hundred seventy-nine thousand, fifty-five".

Divisors: 1 5 7 35 67 335 469 2345 1800119 9000595 12600833 63004165 120607973 603039865 844255811 4221279055