Search a number
-
+
144320242330 = 25113735459519
BaseRepresentation
bin1000011001101000101…
…0000010001010011010
3111210111220222221002101
42012122022002022122
54331031440223310
6150144431354014
713266250550665
oct2063212021232
9453456887071
10144320242330
115622a018150
1223b7868290a
13107bc94acc4
146db13046dc
153b4a15343a
hex219a28229a

144320242330 has 32 divisors (see below), whose sum is σ = 291051740160. Its totient is φ = 51061705920.

The previous prime is 144320242321. The next prime is 144320242397. The reversal of 144320242330 is 33242023441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17725690 + ... + 17733829.

It is an arithmetic number, because the mean of its divisors is an integer number (9095366880).

Almost surely, 2144320242330 is an apocalyptic number.

144320242330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144320242330 is an abundant number, since it is smaller than the sum of its proper divisors (146731497830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144320242330 is a wasteful number, since it uses less digits than its factorization.

144320242330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35459574.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 144320242330 its reverse (33242023441), we get a palindrome (177562265771).

The spelling of 144320242330 in words is "one hundred forty-four billion, three hundred twenty million, two hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 814 2035 4070 35459519 70919038 177297595 354595190 390054709 780109418 1312002203 1950273545 2624004406 3900547090 6560011015 13120022030 14432024233 28864048466 72160121165 144320242330