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200110101212 = 22743166204403
BaseRepresentation
bin1011101001011101111…
…1011101001011011100
3201010112000110101222002
42322113133131023130
511234311141214322
6231532421541432
720312625536540
oct2722737351334
9633460411862
10200110101212
1177958a3193a
1232948574878
1315b4108b618
149984981a20
155312e71c92
hex2e977dd2dc

200110101212 has 24 divisors (see below), whose sum is σ = 409527651456. Its totient is φ = 83767018608.

The previous prime is 200110101197. The next prime is 200110101277. The reversal of 200110101212 is 212101011002.

It is a junction number, because it is equal to n+sod(n) for n = 200110101193 and 200110101202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83100998 + ... + 83103405.

It is an arithmetic number, because the mean of its divisors is an integer number (17063652144).

Almost surely, 2200110101212 is an apocalyptic number.

It is an amenable number.

200110101212 is an abundant number, since it is smaller than the sum of its proper divisors (209417550244).

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

200110101212 is a wasteful number, since it uses less digits than its factorization.

200110101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166204457 (or 166204455 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200110101212 its reverse (212101011002), we get a palindrome (412211112214).

The spelling of 200110101212 in words is "two hundred billion, one hundred ten million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 166204403 332408806 664817612 1163430821 2326861642 4653723284 7146789329 14293578658 28587157316 50027525303 100055050606 200110101212