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204412431200 = 25521367186917
BaseRepresentation
bin1011111001011111101…
…1100010101101100000
3201112121212001102012012
42332113323202231200
511322114040244300
6233523351452052
720524346665625
oct2762773425540
9645555042165
10204412431200
117976654105a
1233749387028
1316378515503
149c7211434c
1554b5a16435
hex2f97ee2b60

204412431200 has 72 divisors (see below), whose sum is σ = 499389568272. Its totient is φ = 81704721920.

The previous prime is 204412431193. The next prime is 204412431239. The reversal of 204412431200 is 2134214402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000142 + ... + 1187058.

It is an arithmetic number, because the mean of its divisors is an integer number (6935966226).

Almost surely, 2204412431200 is an apocalyptic number.

204412431200 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 204412431200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249694784136).

204412431200 is an abundant number, since it is smaller than the sum of its proper divisors (294977137072).

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

204412431200 is a wasteful number, since it uses less digits than its factorization.

204412431200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188304 (or 188291 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 204412431200 its reverse (2134214402), we get a palindrome (206546645602).

The spelling of 204412431200 in words is "two hundred four billion, four hundred twelve million, four hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1367 2734 5468 6835 10936 13670 21872 27340 34175 43744 54680 68350 109360 136700 186917 218720 273400 373834 546800 747668 934585 1093600 1495336 1869170 2990672 3738340 4672925 5981344 7476680 9345850 14953360 18691700 29906720 37383400 74766800 149533600 255515539 511031078 1022062156 1277577695 2044124312 2555155390 4088248624 5110310780 6387888475 8176497248 10220621560 12775776950 20441243120 25551553900 40882486240 51103107800 102206215600 204412431200