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204131203040444 = 221311213321156937
BaseRepresentation
bin101110011010011111111111…
…110110000100010010111100
3222202202202022111222210100212
4232122133333312010102330
5203223441200434243234
62002052325144011552
760665664335625551
oct5632377766042274
9882682274883325
10204131203040444
115a051614477149
121aa89bb2a60bb8
1389b964a279494
14385a008110a28
15188edc37e95ce
hexb9a7ffd844bc

204131203040444 has 24 divisors (see below), whose sum is σ = 360253299004368. Its totient is φ = 101202973672320.

The previous prime is 204131203040431. The next prime is 204131203040483. The reversal of 204131203040444 is 444040302131402.

It is a self number, because there is not a number n which added to its sum of digits gives 204131203040444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159942857 + ... + 161214080.

It is an arithmetic number, because the mean of its divisors is an integer number (15010554125182).

Almost surely, 2204131203040444 is an apocalyptic number.

It is an amenable number.

204131203040444 is a deficient number, since it is larger than the sum of its proper divisors (156122095963924).

204131203040444 is a wasteful number, since it uses less digits than its factorization.

204131203040444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321158285 (or 321158283 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 204131203040444 its reverse (444040302131402), we get a palindrome (648171505171846).

The spelling of 204131203040444 in words is "two hundred four trillion, one hundred thirty-one billion, two hundred three million, forty thousand, four hundred forty-four".

Divisors: 1 2 4 131 262 524 1213 2426 4852 158903 317806 635612 321156937 642313874 1284627748 42071558747 84143117494 168286234988 389563364581 779126729162 1558253458324 51032800760111 102065601520222 204131203040444