Search a number
-
+
303221020230 = 23254987675581
BaseRepresentation
bin1000110100110010110…
…00011001011001000110
31001222122222211210211200
410122121120121121012
514431444040121410
6351144154443330
730623046101022
oct4323130313106
91058588753750
10303221020230
111076603a7497
124a924133546
132279424a03b
1410966c3d382
157d4a3603c0
hex4699619646

303221020230 has 48 divisors (see below), whose sum is σ = 788533905744. Its totient is φ = 80842605120.

The previous prime is 303221020181. The next prime is 303221020241. The reversal of 303221020230 is 32020122303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 111040 + ... + 786620.

It is an arithmetic number, because the mean of its divisors is an integer number (16427789703).

Almost surely, 2303221020230 is an apocalyptic number.

303221020230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

303221020230 is an abundant number, since it is smaller than the sum of its proper divisors (485312885514).

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

303221020230 is a wasteful number, since it uses less digits than its factorization.

303221020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680581 (or 680578 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 303221020230 its reverse (32020122303), we get a palindrome (335241142533).

The spelling of 303221020230 in words is "three hundred three billion, two hundred twenty-one million, twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4987 9974 14961 24935 29922 44883 49870 74805 89766 149610 224415 448830 675581 1351162 2026743 3377905 4053486 6080229 6755810 10133715 12160458 20267430 30401145 60802290 3369122447 6738244894 10107367341 16845612235 20214734682 30322102023 33691224470 50536836705 60644204046 101073673410 151610510115 303221020230