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210002121210002 = 21189107253381619
BaseRepresentation
bin101111101111111011101101…
…110101100011100010010010
31000112120000011220021221111012
4233233323231311203202102
5210011133321012210002
62022345350451250522
762143103221654622
oct5757735565434222
91015500156257435
10210002121210002
1160a05443751890
121b6779995a9a42
139024165a20344
1439c022a760882
151942985338d52
hexbefeedd63892

210002121210002 has 16 divisors (see below), whose sum is σ = 347500956448800. Its totient is φ = 94382975823840.

The previous prime is 210002121209989. The next prime is 210002121210029. The reversal of 210002121210002 is 200012121200012.

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, 53626688852 + ... + 53626692767.

It is an arithmetic number, because the mean of its divisors is an integer number (21718809778050).

Almost surely, 2210002121210002 is an apocalyptic number.

210002121210002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210002121210002 is a deficient number, since it is larger than the sum of its proper divisors (137498835238798).

210002121210002 is a wasteful number, since it uses less digits than its factorization.

210002121210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107253381721.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210002121210002 its reverse (200012121200012), we get a palindrome (410014242410014).

The spelling of 210002121210002 in words is "two hundred ten trillion, two billion, one hundred twenty-one million, two hundred ten thousand, two".

Divisors: 1 2 11 22 89 178 979 1958 107253381619 214506763238 1179787197809 2359574395618 9545550964091 19091101928182 105001060605001 210002121210002