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2144342451 = 31937620043
BaseRepresentation
bin111111111010000…
…0001000110110011
312112102221212211210
41333310001012303
513342422424301
6552440411203
7104065416156
oct17764010663
95472855753
102144342451
11a00475249
124ba176b03
132823450b4
14164b0dc9d
15c83c5ad6
hex7fd011b3

2144342451 has 8 divisors (see below), whose sum is σ = 3009603520. Its totient is φ = 1354321512.

The previous prime is 2144342449. The next prime is 2144342507. The reversal of 2144342451 is 1542434412.

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

It is not a de Polignac number, because 2144342451 - 21 = 2144342449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144342401) 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 7 ways as a sum of consecutive naturals, for example, 18809965 + ... + 18810078.

It is an arithmetic number, because the mean of its divisors is an integer number (376200440).

Almost surely, 22144342451 is an apocalyptic number.

2144342451 is a deficient number, since it is larger than the sum of its proper divisors (865261069).

2144342451 is a wasteful number, since it uses less digits than its factorization.

2144342451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37620065.

The product of its digits is 15360, while the sum is 30.

The square root of 2144342451 is about 46307.0453710880. The cubic root of 2144342451 is about 1289.5297949793.

Adding to 2144342451 its reverse (1542434412), we get a palindrome (3686776863).

The spelling of 2144342451 in words is "two billion, one hundred forty-four million, three hundred forty-two thousand, four hundred fifty-one".

Divisors: 1 3 19 57 37620043 112860129 714780817 2144342451