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2144231205 = 35142948747
BaseRepresentation
bin111111111001110…
…0101111100100101
312112102202020020120
41333303211330211
513342410344310
6552434152153
7104064443634
oct17763457445
95472666216
102144231205
11a003a9706
124ba122659
1328230657c
14164ac151b
15c83a2b70
hex7fce5f25

2144231205 has 8 divisors (see below), whose sum is σ = 3430769952. Its totient is φ = 1143589968.

The previous prime is 2144231183. The next prime is 2144231207. The reversal of 2144231205 is 5021324412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144231205 - 222 = 2140036901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144231207) 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, 71474359 + ... + 71474388.

It is an arithmetic number, because the mean of its divisors is an integer number (428846244).

Almost surely, 22144231205 is an apocalyptic number.

It is an amenable number.

2144231205 is a deficient number, since it is larger than the sum of its proper divisors (1286538747).

2144231205 is a wasteful number, since it uses less digits than its factorization.

2144231205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142948755.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2144231205 is about 46305.8441775981. The cubic root of 2144231205 is about 1289.5074948234.

Adding to 2144231205 its reverse (5021324412), we get a palindrome (7165555617).

The spelling of 2144231205 in words is "two billion, one hundred forty-four million, two hundred thirty-one thousand, two hundred five".

Divisors: 1 3 5 15 142948747 428846241 714743735 2144231205