Search a number
-
+
320531124230 = 25191687005917
BaseRepresentation
bin1001010101000010010…
…01001101000000000110
31010122100100212012110122
410222201021031000012
520222421431433410
6403125554221542
732105026413362
oct4524111150006
91118310765418
10320531124230
11113a33510869
12521552848b2
13242c2568225
1411729ba22a2
15850ed8ee55
hex4aa124d006

320531124230 has 16 divisors (see below), whose sum is σ = 607322130480. Its totient is φ = 121464425952.

The previous prime is 320531124157. The next prime is 320531124253. The reversal of 320531124230 is 32421135023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320531124230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843502769 + ... + 843503148.

It is an arithmetic number, because the mean of its divisors is an integer number (37957633155).

Almost surely, 2320531124230 is an apocalyptic number.

320531124230 is a deficient number, since it is larger than the sum of its proper divisors (286791006250).

320531124230 is a wasteful number, since it uses less digits than its factorization.

320531124230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687005943.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 320531124230 its reverse (32421135023), we get a palindrome (352952259253).

The spelling of 320531124230 in words is "three hundred twenty billion, five hundred thirty-one million, one hundred twenty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 1687005917 3374011834 8435029585 16870059170 32053112423 64106224846 160265562115 320531124230