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204131203040443 = 7283751625721929
BaseRepresentation
bin101110011010011111111111…
…110110000100010010111011
3222202202202022111222210100211
4232122133333312010102323
5203223441200434243233
62002052325144011551
760665664335625550
oct5632377766042273
9882682274883324
10204131203040443
115a051614477148
121aa89bb2a60bb7
1389b964a279493
14385a008110a27
15188edc37e95cd
hexb9a7ffd844bb

204131203040443 has 32 divisors (see below), whose sum is σ = 234477058959360. Its totient is φ = 174083409792000.

The previous prime is 204131203040431. The next prime is 204131203040483. The reversal of 204131203040443 is 344040302131402.

It is a cyclic number.

It is not a de Polignac number, because 204131203040443 - 25 = 204131203040411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204131203040483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9308721903 + ... + 9308743831.

It is an arithmetic number, because the mean of its divisors is an integer number (7327408092480).

Almost surely, 2204131203040443 is an apocalyptic number.

204131203040443 is a deficient number, since it is larger than the sum of its proper divisors (30345855918917).

204131203040443 is a wasteful number, since it uses less digits than its factorization.

204131203040443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29227.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 204131203040443 its reverse (344040302131402), we get a palindrome (548171505171845).

The spelling of 204131203040443 in words is "two hundred four trillion, one hundred thirty-one billion, two hundred three million, forty thousand, four hundred forty-three".

Divisors: 1 7 283 751 1981 5257 6257 21929 43799 153503 212533 1487731 1770731 4699007 6205907 12395117 16468679 32893049 43441349 115280753 137209753 960468271 1329818981 4660636157 9308732867 32624453099 38830360099 103044524503 271812520693 721311671521 29161600434349 204131203040443