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200102010212 = 221319712852569
BaseRepresentation
bin1011101001011100000…
…0100101110101100100
3201010111110020100012102
42322113000211311210
511234302103311322
6231531532311232
720312500010606
oct2722700456544
9633443210172
10200102010212
1177954405a65
1232945912518
1315b3c4b7950
149983877176
1553123c4792
hex2e97025d64

200102010212 has 48 divisors (see below), whose sum is σ = 402554678400. Its totient is φ = 86261656320.

The previous prime is 200102010209. The next prime is 200102010221. The reversal of 200102010212 is 212010201002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200102010193 and 200102010202.

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, 1356137 + ... + 1496432.

It is an arithmetic number, because the mean of its divisors is an integer number (8386555800).

Almost surely, 2200102010212 is an apocalyptic number.

It is an amenable number.

200102010212 is an abundant number, since it is smaller than the sum of its proper divisors (202452668188).

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

200102010212 is a wasteful number, since it uses less digits than its factorization.

200102010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852676 (or 2852674 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200102010212 its reverse (212010201002), we get a palindrome (412112211214).

The spelling of 200102010212 in words is "two hundred billion, one hundred two million, ten thousand, two hundred twelve".

Divisors: 1 2 4 13 19 26 38 52 71 76 142 247 284 494 923 988 1349 1846 2698 3692 5396 17537 35074 70148 2852569 5705138 11410276 37083397 54198811 74166794 108397622 148333588 202532399 216795244 405064798 704584543 810129596 1409169086 2632921187 2818338172 3848115581 5265842374 7696231162 10531684748 15392462324 50025502553 100051005106 200102010212