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212011101010 = 2565942977487
BaseRepresentation
bin1100010101110011011…
…0001010101101010010
3202021020102021211120101
43011130312022231102
511433144320213020
6241221353403014
721213555424132
oct3053466125522
9667212254511
10212011101010
1181a05815165
123510a10946a
1316cb986c737
14a39338cac2
1557acb8900a
hex315cd8ab52

212011101010 has 32 divisors (see below), whose sum is σ = 382339077120. Its totient is φ = 84644740992.

The previous prime is 212011100993. The next prime is 212011101023. The reversal of 212011101010 is 10101110212.

212011101010 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28313487 + ... + 28320973.

It is an arithmetic number, because the mean of its divisors is an integer number (11948096160).

Almost surely, 2212011101010 is an apocalyptic number.

212011101010 is a deficient number, since it is larger than the sum of its proper divisors (170327976110).

212011101010 is a wasteful number, since it uses less digits than its factorization.

212011101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12450.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 212011101010 its reverse (10101110212), we get a palindrome (222112211222).

It can be divided in two parts, 21201 and 1101010, that added together give a palindrome (1122211).

The spelling of 212011101010 in words is "two hundred twelve billion, eleven million, one hundred one thousand, ten".

Divisors: 1 2 5 10 659 1318 3295 4297 6590 7487 8594 14974 21485 37435 42970 74870 2831723 4933933 5663446 9867866 14158615 24669665 28317230 32171639 49339330 64343278 160858195 321716390 21201110101 42402220202 106005550505 212011101010