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2101000000210 = 25229917467249
BaseRepresentation
bin11110100100101101010…
…110111101001011010010
321102212001022011110121121
4132210231112331023102
5233410322000001320
64245104105312454
7304535511225046
oct36445526751322
97385038143547
102101000000210
117400357aa941
1229b23079572a
1312317b2b10c7
147399065c026
15399b9de88aa
hex1e92d5bd2d2

2101000000210 has 16 divisors (see below), whose sum is σ = 3798314415000. Its totient is φ = 836730130176.

The previous prime is 2101000000181. The next prime is 2101000000217. The reversal of 2101000000210 is 120000001012.

It can be written as a sum of positive squares in 4 ways, for example, as 1659868912881 + 441131087329 = 1288359^2 + 664177^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101000000193 and 2101000000202.

It is not an unprimeable number, because it can be changed into a prime (2101000000217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458731335 + ... + 458735914.

Almost surely, 22101000000210 is an apocalyptic number.

2101000000210 is a deficient number, since it is larger than the sum of its proper divisors (1697314414790).

2101000000210 is a wasteful number, since it uses less digits than its factorization.

2101000000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917467485.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 2101000000210 its reverse (120000001012), we get a palindrome (2221000001222).

The spelling of 2101000000210 in words is "two trillion, one hundred one billion, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 229 458 1145 2290 917467249 1834934498 4587336245 9174672490 210100000021 420200000042 1050500000105 2101000000210