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211213010 = 2538355147
BaseRepresentation
bin11001001011011…
…01101011010010
3112201102201210002
430211231223102
5413032304020
632543010002
75143165241
oct1445555322
9481381702
10211213010
11a9251508
125a899902
13349b2018
14200a0958
1513821975
hexc96dad2

211213010 has 16 divisors (see below), whose sum is σ = 381182976. Its totient is φ = 84263088.

The previous prime is 211213007. The next prime is 211213021. The reversal of 211213010 is 10312112.

211213010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2112130102 = 89221871186520200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211212982 and 211213000.

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, 23744 + ... + 31403.

It is an arithmetic number, because the mean of its divisors is an integer number (23823936).

Almost surely, 2211213010 is an apocalyptic number.

211213010 is a deficient number, since it is larger than the sum of its proper divisors (169969966).

211213010 is a wasteful number, since it uses less digits than its factorization.

211213010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55537.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 211213010 is about 14533.1693033557. The cubic root of 211213010 is about 595.5344490619.

Adding to 211213010 its reverse (10312112), we get a palindrome (221525122).

The spelling of 211213010 in words is "two hundred eleven million, two hundred thirteen thousand, ten".

Divisors: 1 2 5 10 383 766 1915 3830 55147 110294 275735 551470 21121301 42242602 105606505 211213010