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2144231450 = 25242884629
BaseRepresentation
bin111111111001110…
…0110000000011010
312112102202020120122
41333303212000122
513342410401300
6552434153242
7104064444434
oct17763460032
95472666518
102144231450
11a003a9909
124ba122822
1328230670a
14164ac1654
15c83a2c85
hex7fce601a

2144231450 has 12 divisors (see below), whose sum is σ = 3988270590. Its totient is φ = 857692560.

The previous prime is 2144231447. The next prime is 2144231459. The reversal of 2144231450 is 541324412.

It can be written as a sum of positive squares in 3 ways, for example, as 1859938129 + 284293321 = 43127^2 + 16861^2 .

It is a super-2 number, since 2×21442314502 = 9195457022338205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2144231459) 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, 21442265 + ... + 21442364.

Almost surely, 22144231450 is an apocalyptic number.

2144231450 is a deficient number, since it is larger than the sum of its proper divisors (1844039140).

2144231450 is a wasteful number, since it uses less digits than its factorization.

2144231450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42884641 (or 42884636 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2144231450 is about 46305.8468230525. The cubic root of 2144231450 is about 1289.5075439365.

Adding to 2144231450 its reverse (541324412), we get a palindrome (2685555862).

The spelling of 2144231450 in words is "two billion, one hundred forty-four million, two hundred thirty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 42884629 85769258 214423145 428846290 1072115725 2144231450