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2147224159 = 15713676587
BaseRepresentation
bin111111111111100…
…0000101001011111
312112122101021210201
41333333000221133
513344142133114
6553022244331
7104132050513
oct17777005137
95478337721
102147224159
11a02063323
124bb1266a7
13282b13952
14165260143
15c8794874
hex7ffc0a5f

2147224159 has 4 divisors (see below), whose sum is σ = 2160900904. Its totient is φ = 2133547416.

The previous prime is 2147224141. The next prime is 2147224169. The reversal of 2147224159 is 9514227412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2147224159 - 215 = 2147191391 is a prime.

It is a super-2 number, since 2×21472241592 = 9221143177986514562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147224169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6838137 + ... + 6838450.

It is an arithmetic number, because the mean of its divisors is an integer number (540225226).

Almost surely, 22147224159 is an apocalyptic number.

2147224159 is a deficient number, since it is larger than the sum of its proper divisors (13676745).

2147224159 is a wasteful number, since it uses less digits than its factorization.

2147224159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13676744.

The product of its digits is 40320, while the sum is 37.

The square root of 2147224159 is about 46338.1501465046. The cubic root of 2147224159 is about 1290.1071879765.

The spelling of 2147224159 in words is "two billion, one hundred forty-seven million, two hundred twenty-four thousand, one hundred fifty-nine".

Divisors: 1 157 13676587 2147224159