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2144025503 = 31173399781
BaseRepresentation
bin111111111001011…
…0011101110011111
312112102100210001222
41333302303232133
513342332304003
6552425523555
7104062626134
oct17762635637
95472323058
102144025503
11a00279104
124ba0435bb
13282263a59
14164a6a58b
15c8361c38
hex7fcb3b9f

2144025503 has 8 divisors (see below), whose sum is σ = 2225986176. Its totient is φ = 2062864800.

The previous prime is 2144025479. The next prime is 2144025509. The reversal of 2144025503 is 3055204412.

It is a happy number.

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 2144025503 - 26 = 2144025439 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 (2144025509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194528 + ... + 205253.

It is an arithmetic number, because the mean of its divisors is an integer number (278248272).

Almost surely, 22144025503 is an apocalyptic number.

2144025503 is a deficient number, since it is larger than the sum of its proper divisors (81960673).

2144025503 is a wasteful number, since it uses less digits than its factorization.

2144025503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399985.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2144025503 is about 46303.6230007977. The cubic root of 2144025503 is about 1289.4662581706.

Adding to 2144025503 its reverse (3055204412), we get a palindrome (5199229915).

The spelling of 2144025503 in words is "two billion, one hundred forty-four million, twenty-five thousand, five hundred three".

Divisors: 1 31 173 5363 399781 12393211 69162113 2144025503