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206344652052 = 223721131902389
BaseRepresentation
bin1100000000101100011…
…0011000010100010100
3201201121111212101220110
43000023012120110110
511340043212331202
6234443214003020
720623261413600
oct3001306302424
9651544771813
10206344652052
117a5681a41a0
1233ba84a6470
13165c591ab66
149db69a8500
15557a48b26c
hex300b198514

206344652052 has 72 divisors (see below), whose sum is σ = 610994573280. Its totient is φ = 53596011840.

The previous prime is 206344652047. The next prime is 206344652071. The reversal of 206344652052 is 250256443602.

It is a self number, because there is not a number n which added to its sum of digits gives 206344652052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15944727 + ... + 15957662.

It is an arithmetic number, because the mean of its divisors is an integer number (8486035740).

Almost surely, 2206344652052 is an apocalyptic number.

206344652052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

206344652052 is an abundant number, since it is smaller than the sum of its proper divisors (404649921228).

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

206344652052 is a wasteful number, since it uses less digits than its factorization.

206344652052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31902421 (or 31902412 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 206344652052 in words is "two hundred six billion, three hundred forty-four million, six hundred fifty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 49 66 77 84 98 132 147 154 196 231 294 308 462 539 588 924 1078 1617 2156 3234 6468 31902389 63804778 95707167 127609556 191414334 223316723 350926279 382828668 446633446 669950169 701852558 893266892 1052778837 1339900338 1403705116 1563217061 2105557674 2456483953 2679800676 3126434122 4211115348 4689651183 4912967906 6252868244 7369451859 9379302366 9825935812 14738903718 17195387671 18758604732 29477807436 34390775342 51586163013 68781550684 103172326026 206344652052