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1210000000210 = 25121000000021
BaseRepresentation
bin10001100110111001100…
…111101100010011010010
311021200012222110202101121
4101212321213230103102
5124311040000001320
62323511043152454
7153263633205421
oct21467147542322
94250188422347
101210000000210
11427181501281
1217660a67572a
138a1442a52b1
14427c868b2b8
152171ca988aa
hex119b99ec4d2

1210000000210 has 8 divisors (see below), whose sum is σ = 2178000000396. Its totient is φ = 484000000080.

The previous prime is 1210000000193. The next prime is 1210000000211. The reversal of 1210000000210 is 120000000121.

It can be written as a sum of positive squares in 2 ways, for example, as 1167867101041 + 42132899169 = 1080679^2 + 205263^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1210000000193 and 1210000000202.

It is not an unprimeable number, because it can be changed into a prime (1210000000211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60500000001 + ... + 60500000020.

Almost surely, 21210000000210 is an apocalyptic number.

1210000000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210000000210 is a deficient number, since it is larger than the sum of its proper divisors (968000000186).

1210000000210 is a wasteful number, since it uses less digits than its factorization.

1210000000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121000000028.

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

Adding to 1210000000210 its reverse (120000000121), we get a palindrome (1330000000331).

The spelling of 1210000000210 in words is "one trillion, two hundred ten billion, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 121000000021 242000000042 605000000105 1210000000210