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212011131110210 = 2541517100319781
BaseRepresentation
bin110000001101001010110000…
…001010001000001101000010
31000210200001210020212010222222
4300031022300022020031002
5210242042244031011320
62030524322525531042
762441204320236425
oct6015126012101502
91023601706763888
10212011131110210
116160a463435a93
121b941216a13a82
13913b743abccc3
143a4d571a819bc
151979d692eb825
hexc0d2b0288342

212011131110210 has 16 divisors (see below), whose sum is σ = 390927841755192. Its totient is φ = 82736051164800.

The previous prime is 212011131110183. The next prime is 212011131110243. The reversal of 212011131110210 is 12011131110212.

It can be written as a sum of positive squares in 4 ways, for example, as 130162976392201 + 81848154718009 = 11408899^2 + 9046997^2 .

It is a Curzon 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, 258550159481 + ... + 258550160300.

Almost surely, 2212011131110210 is an apocalyptic number.

212011131110210 is a deficient number, since it is larger than the sum of its proper divisors (178916710644982).

212011131110210 is a wasteful number, since it uses less digits than its factorization.

212011131110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517100319829.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 212011131110210 its reverse (12011131110212), we get a palindrome (224022262220422).

The spelling of 212011131110210 in words is "two hundred twelve trillion, eleven billion, one hundred thirty-one million, one hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 410 517100319781 1034200639562 2585501598905 5171003197810 21201113111021 42402226222042 106005565555105 212011131110210