Search a number
-
+
204222213200 = 24527161911617
BaseRepresentation
bin1011111000110010010…
…1111010110001010000
3201112010121010100011002
42332030211322301100
511321221341310300
6233452434441132
720516550112325
oct2761445726120
9645117110132
10204222213200
117967912a4a5
12336b57331a8
1316347ca4795
149c54b5ab4c
1554a3e905d5
hex2f8c97ac50

204222213200 has 120 divisors (see below), whose sum is σ = 498401046720. Its totient is φ = 80401305600.

The previous prime is 204222213163. The next prime is 204222213259. The reversal of 204222213200 is 2312222402.

204222213200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 23 ways as a sum of consecutive naturals, for example, 17573792 + ... + 17585408.

It is an arithmetic number, because the mean of its divisors is an integer number (4153342056).

Almost surely, 2204222213200 is an apocalyptic number.

204222213200 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 204222213200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249200523360).

204222213200 is an abundant number, since it is smaller than the sum of its proper divisors (294178833520).

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

204222213200 is a wasteful number, since it uses less digits than its factorization.

204222213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325 (or 12314 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 204222213200 its reverse (2312222402), we get a palindrome (206534435602).

The spelling of 204222213200 in words is "two hundred four billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 71 80 100 142 200 284 355 400 568 619 710 1136 1238 1420 1775 2476 2840 3095 3550 4952 5680 6190 7100 9904 11617 12380 14200 15475 23234 24760 28400 30950 43949 46468 49520 58085 61900 87898 92936 116170 123800 175796 185872 219745 232340 247600 290425 351592 439490 464680 580850 703184 824807 878980 929360 1098725 1161700 1649614 1757960 2197450 2323400 3299228 3515920 4124035 4394900 4646800 6598456 7190923 8248070 8789800 13196912 14381846 16496140 17579600 20620175 28763692 32992280 35954615 41240350 57527384 65984560 71909230 82480700 115054768 143818460 164961400 179773075 287636920 329922800 359546150 510555533 575273840 719092300 1021111066 1438184600 2042222132 2552777665 2876369200 4084444264 5105555330 8168888528 10211110660 12763888325 20422221320 25527776650 40844442640 51055553300 102111106600 204222213200