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210112002121 = 743968373577
BaseRepresentation
bin1100001110101110100…
…1101011100001001001
3202002100001210121122111
43003223221223201021
511420302133031441
6240305113222321
721115525356520
oct3035351534111
9662301717574
10210112002121
118112082504a
123487a1019a1
1316a76293098
14a25307b4b7
1556eb0a8081
hex30eba6b849

210112002121 has 8 divisors (see below), whose sum is σ = 240674994560. Its totient is φ = 179685757728.

The previous prime is 210112002119. The next prime is 210112002161. The reversal of 210112002121 is 121200211012.

210112002121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210112002121 - 21 = 210112002119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210112002101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34183716 + ... + 34189861.

It is an arithmetic number, because the mean of its divisors is an integer number (30084374320).

Almost surely, 2210112002121 is an apocalyptic number.

It is an amenable number.

210112002121 is a deficient number, since it is larger than the sum of its proper divisors (30562992439).

210112002121 is an equidigital number, since it uses as much as digits as its factorization.

210112002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68374023.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210112002121 its reverse (121200211012), we get a palindrome (331312213133).

The spelling of 210112002121 in words is "two hundred ten billion, one hundred twelve million, two thousand, one hundred twenty-one".

Divisors: 1 7 439 3073 68373577 478615039 30016000303 210112002121