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200512215204 = 223725738324251
BaseRepresentation
bin1011101010111101110…
…1011001100010100100
3201011120001002220122220
42322233131121202210
511241122111341304
6232040344352340
720325610464540
oct2725735314244
9634501086586
10200512215204
1178044a11054
1232a3b1756b0
1315ba64901b2
1499c2136a20
155338401ad9
hex2eaf7598a4

200512215204 has 96 divisors (see below), whose sum is σ = 538203488256. Its totient is φ = 56914944000.

The previous prime is 200512215203. The next prime is 200512215209. The reversal of 200512215204 is 402512215002.

It is not an unprimeable number, because it can be changed into a prime (200512215203) 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, 8256079 + ... + 8280329.

It is an arithmetic number, because the mean of its divisors is an integer number (5606286336).

Almost surely, 2200512215204 is an apocalyptic number.

It is an amenable number.

200512215204 is an abundant number, since it is smaller than the sum of its proper divisors (337691273052).

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

200512215204 is a wasteful number, since it uses less digits than its factorization.

200512215204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24905 (or 24903 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 200512215204 in words is "two hundred billion, five hundred twelve million, two hundred fifteen thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 257 383 514 766 771 1028 1149 1532 1542 1799 2298 2681 3084 3598 4596 5362 5397 7196 8043 10724 10794 16086 21588 24251 32172 48502 72753 97004 98431 145506 169757 196862 291012 295293 339514 393724 509271 590586 679028 689017 1018542 1181172 1378034 2037084 2067051 2756068 4134102 6232507 8268204 9288133 12465014 18576266 18697521 24930028 27864399 37152532 37395042 43627549 55728798 65016931 74790084 87255098 111457596 130033862 130882647 174510196 195050793 260067724 261765294 390101586 523530588 780203172 2387050181 4774100362 7161150543 9548200724 14322301086 16709351267 28644602172 33418702534 50128053801 66837405068 100256107602 200512215204