Search a number
-
+
205314012032320 = 265191011991680121
BaseRepresentation
bin101110101011101101100100…
…110000010010110101000000
3222220221211100111210012112201
4232223231210300102311000
5203402331044040013240
62004355542141402544
761150306421313442
oct5653554460226500
9886854314705481
10205314012032320
115a4682022a3404
121b03b293269454
138a7404a114519
14389b373438492
1518b0a4e17cd9a
hexbabb64c12d40

205314012032320 has 224 divisors, whose sum is σ = 522343209312000. Its totient is φ = 76645730304000.

The previous prime is 205314012032287. The next prime is 205314012032333. The reversal of 205314012032320 is 23230210413502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121361860 + ... + 123041980.

Almost surely, 2205314012032320 is an apocalyptic number.

205314012032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205314012032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261171604656000).

205314012032320 is an abundant number, since it is smaller than the sum of its proper divisors (317029197279680).

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

205314012032320 is a wasteful number, since it uses less digits than its factorization.

205314012032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680457 (or 1680447 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 205314012032320 its reverse (23230210413502), we get a palindrome (228544222445822).

The spelling of 205314012032320 in words is "two hundred five trillion, three hundred fourteen billion, twelve million, thirty-two thousand, three hundred twenty".