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204524211443320 = 23537138192034759
BaseRepresentation
bin101110100000001110000000…
…111110001001011001111000
3222211011022201221122020011001
4232200032000332021121320
5203301411041112141240
62002553043050014344
761036246423135516
oct5640160076113170
9884138657566131
10204524211443320
115a19325a4740aa
121ab321b47173b4
138a177202644b2
14387104b9034b6
15189a2264d889a
hexba0380f89678

204524211443320 has 32 divisors (see below), whose sum is σ = 472616758879200. Its totient is φ = 79598612020608.

The previous prime is 204524211443311. The next prime is 204524211443329. The reversal of 204524211443320 is 23344112425402.

It is an interprime number because it is at equal distance from previous prime (204524211443311) and next prime (204524211443329).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 204524211443320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204524211443329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69096015900 + ... + 69096018859.

It is an arithmetic number, because the mean of its divisors is an integer number (14769273714975).

Almost surely, 2204524211443320 is an apocalyptic number.

204524211443320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204524211443320 is an abundant number, since it is smaller than the sum of its proper divisors (268092547435880).

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

204524211443320 is a wasteful number, since it uses less digits than its factorization.

204524211443320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138192034807 (or 138192034803 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 204524211443320 its reverse (23344112425402), we get a palindrome (227868323868722).

The spelling of 204524211443320 in words is "two hundred four trillion, five hundred twenty-four billion, two hundred eleven million, four hundred forty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 138192034759 276384069518 552768139036 690960173795 1105536278072 1381920347590 2763840695180 5113105286083 5527681390360 10226210572166 20452421144332 25565526430415 40904842288664 51131052860830 102262105721660 204524211443320