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512200512220 = 225415931053347
BaseRepresentation
bin1110111010000011000…
…01111001001011011100
31210222002010121221122111
413131001201321023130
531342441312342340
61031145054323404
752001543342665
oct7350141711334
91728063557574
10512200512220
1118824a921951
1283326ab9564
13393b99b8a87
141ab0d71836c
15d4cbcaeaea
hex77418792dc

512200512220 has 48 divisors (see below), whose sum is σ = 1103714887968. Its totient is φ = 199545866240.

The previous prime is 512200512211. The next prime is 512200512251. The reversal of 512200512220 is 22215002215.

It is a junction number, because it is equal to n+sod(n) for n = 512200512191 and 512200512200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40414 + ... + 1012933.

It is an arithmetic number, because the mean of its divisors is an integer number (22994060166).

Almost surely, 2512200512220 is an apocalyptic number.

It is an amenable number.

512200512220 is an abundant number, since it is smaller than the sum of its proper divisors (591514375748).

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

512200512220 is a wasteful number, since it uses less digits than its factorization.

512200512220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053990 (or 1053988 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 512200512220 its reverse (22215002215), we get a palindrome (534415514435).

The spelling of 512200512220 in words is "five hundred twelve billion, two hundred million, five hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 593 820 1186 2372 2965 5930 11860 24313 48626 97252 121565 243130 486260 1053347 2106694 4213388 5266735 10533470 21066940 43187227 86374454 172748908 215936135 431872270 624634771 863744540 1249269542 2498539084 3123173855 6246347710 12492695420 25610025611 51220051222 102440102444 128050128055 256100256110 512200512220