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2144240134 = 21181907807
BaseRepresentation
bin111111111001110…
…1000001000000110
312112102202200111021
41333303220020012
513342411141014
6552434301354
7104064511651
oct17763501006
95472680437
102144240134
11a00405393
124ba12785a
1328230a65a
14164ac4898
15c83a5624
hex7fce8206

2144240134 has 8 divisors (see below), whose sum is σ = 3219087168. Its totient is φ = 1071211080.

The previous prime is 2144240129. The next prime is 2144240143. The reversal of 2144240134 is 4310424412.

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

It is a junction number, because it is equal to n+sod(n) for n = 2144240099 and 2144240108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451542 + ... + 456265.

It is an arithmetic number, because the mean of its divisors is an integer number (402385896).

Almost surely, 22144240134 is an apocalyptic number.

2144240134 is a deficient number, since it is larger than the sum of its proper divisors (1074847034).

2144240134 is a wasteful number, since it uses less digits than its factorization.

2144240134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908990.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2144240134 is about 46305.9405908140. The cubic root of 2144240134 is about 1289.5092847418.

Adding to 2144240134 its reverse (4310424412), we get a palindrome (6454664546).

The spelling of 2144240134 in words is "two billion, one hundred forty-four million, two hundred forty thousand, one hundred thirty-four".

Divisors: 1 2 1181 2362 907807 1815614 1072120067 2144240134