Search a number
-
+
204255314620 = 22578599169667
BaseRepresentation
bin1011111000111010010…
…0001100001010111100
3201112012220102001202121
42332032210030022330
511321303330031440
6233500020132324
720520431346040
oct2761644141274
9645186361677
10204255314620
1179695889045
12337048370a4
1316351ac4316
149c592d6020
1554a6d2d34a
hex2f8e90c2bc

204255314620 has 48 divisors (see below), whose sum is σ = 490272652800. Its totient is φ = 70021836864.

The previous prime is 204255314611. The next prime is 204255314639. The reversal of 204255314620 is 26413552402.

204255314620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119027 + ... + 1288693.

It is an arithmetic number, because the mean of its divisors is an integer number (10214013600).

Almost surely, 2204255314620 is an apocalyptic number.

204255314620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204255314620 is an abundant number, since it is smaller than the sum of its proper divisors (286017338180).

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

204255314620 is a wasteful number, since it uses less digits than its factorization.

204255314620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178282 (or 178280 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 204255314620 in words is "two hundred four billion, two hundred fifty-five million, three hundred fourteen thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 8599 17198 34396 42995 60193 85990 120386 169667 171980 240772 300965 339334 601930 678668 848335 1187669 1203860 1696670 2375338 3393340 4750676 5938345 11876690 23753380 1458966533 2917933066 5835866132 7294832665 10212765731 14589665330 20425531462 29179330660 40851062924 51063828655 102127657310 204255314620