Search a number
-
+
2144142023 = 14591469597
BaseRepresentation
bin111111111001101…
…0000001011000111
312112102120200220112
41333303100023013
513342400021043
6552432223235
7104063622632
oct17763201307
95472520815
102144142023
11a00348701
124ba09ab1b
132822a4aba
14164a9ac19
15c8386518
hex7fcd02c7

2144142023 has 4 divisors (see below), whose sum is σ = 2145613080. Its totient is φ = 2142670968.

The previous prime is 2144142019. The next prime is 2144142031. The reversal of 2144142023 is 3202414412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2144142023 - 22 = 2144142019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144142023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144142523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733340 + ... + 736257.

It is an arithmetic number, because the mean of its divisors is an integer number (536403270).

Almost surely, 22144142023 is an apocalyptic number.

2144142023 is a deficient number, since it is larger than the sum of its proper divisors (1471057).

2144142023 is a wasteful number, since it uses less digits than its factorization.

2144142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471056.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2144142023 is about 46304.8812005819. The cubic root of 2144142023 is about 1289.4896170169.

Adding to 2144142023 its reverse (3202414412), we get a palindrome (5346556435).

The spelling of 2144142023 in words is "two billion, one hundred forty-four million, one hundred forty-two thousand, twenty-three".

Divisors: 1 1459 1469597 2144142023