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210210102111012 = 22317517508509251
BaseRepresentation
bin101111110010111101011010…
…011101101110101100100100
31000120021220000110001101222220
4233302331122131232230210
5210023040242120023022
62023025104315552340
762164115202314613
oct5762753235565444
91016256013041886
10210210102111012
1160a85670526043
121b6b0161a5b6b0
13903a95c626343
1439ca31a77787a
1519480a928485c
hexbf2f5a76eb24

210210102111012 has 12 divisors (see below), whose sum is σ = 490490238259056. Its totient is φ = 70070034037000.

The previous prime is 210210102110933. The next prime is 210210102111059. The reversal of 210210102111012 is 210111201012012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 210210102110982 and 210210102111000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8758754254614 + ... + 8758754254637.

It is an arithmetic number, because the mean of its divisors is an integer number (40874186521588).

Almost surely, 2210210102111012 is an apocalyptic number.

It is an amenable number.

210210102111012 is an abundant number, since it is smaller than the sum of its proper divisors (280280136148044).

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

210210102111012 is a wasteful number, since it uses less digits than its factorization.

210210102111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517508509258 (or 17517508509256 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210210102111012 its reverse (210111201012012), we get a palindrome (420321303123024).

The spelling of 210210102111012 in words is "two hundred ten trillion, two hundred ten billion, one hundred two million, one hundred eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 17517508509251 35035017018502 52552525527753 70070034037004 105105051055506 210210102111012