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211002011210 = 2534960459029
BaseRepresentation
bin1100010010000010110…
…0110010111001001010
3202011122002111202121002
43010200230302321022
511424113003324320
6240533305215002
721146553334304
oct3044054627112
9664562452532
10211002011210
1181538153051
1234a88191462
1316b8879c093
14a2d9356974
15574e2ae675
hex3120b32e4a

211002011210 has 16 divisors (see below), whose sum is σ = 380891889000. Its totient is φ = 84158966976.

The previous prime is 211002011179. The next prime is 211002011237. The reversal of 211002011210 is 12110200112.

It can be written as a sum of positive squares in 4 ways, for example, as 191281145449 + 19720865761 = 437357^2 + 140431^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211002011191 and 211002011200.

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, 30226025 + ... + 30233004.

Almost surely, 2211002011210 is an apocalyptic number.

211002011210 is a deficient number, since it is larger than the sum of its proper divisors (169889877790).

211002011210 is a wasteful number, since it uses less digits than its factorization.

211002011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60459385.

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

Adding to 211002011210 its reverse (12110200112), we get a palindrome (223112211322).

The spelling of 211002011210 in words is "two hundred eleven billion, two million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 349 698 1745 3490 60459029 120918058 302295145 604590290 21100201121 42200402242 105501005605 211002011210