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204524521040 = 24572315879233
BaseRepresentation
bin1011111001111010011…
…1001000011001010000
3201112220122222011112202
42332132213020121100
511322331234133130
6233542434142332
720530210513310
oct2763647103120
9645818864482
10204524521040
117981383a894
123377aa219a8
13163957ccb68
149c82d71440
1554c07a8145
hex2f9e9c8650

204524521040 has 80 divisors (see below), whose sum is σ = 567079204608. Its totient is φ = 67073875968.

The previous prime is 204524521013. The next prime is 204524521067. The reversal of 204524521040 is 40125425402.

204524521040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204524521013) and next prime (204524521067).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 204524520994 and 204524521012.

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, 7926737 + ... + 7952496.

Almost surely, 2204524521040 is an apocalyptic number.

204524521040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204524521040 is an abundant number, since it is smaller than the sum of its proper divisors (362554683568).

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

204524521040 is a wasteful number, since it uses less digits than its factorization.

204524521040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15879276 (or 15879270 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 204524521040 its reverse (40125425402), we get a palindrome (244649946442).

The spelling of 204524521040 in words is "two hundred four billion, five hundred twenty-four million, five hundred twenty-one thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 23 28 35 40 46 56 70 80 92 112 115 140 161 184 230 280 322 368 460 560 644 805 920 1288 1610 1840 2576 3220 6440 12880 15879233 31758466 63516932 79396165 111154631 127033864 158792330 222309262 254067728 317584660 365222359 444618524 555773155 635169320 730444718 889237048 1111546310 1270338640 1460889436 1778474096 1826111795 2223092620 2556556513 2921778872 3652223590 4446185240 5113113026 5843557744 7304447180 8892370480 10226226052 12782782565 14608894360 20452452104 25565565130 29217788720 40904904208 51131130260 102262260520 204524521040