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2100210011210 = 25210021001121
BaseRepresentation
bin11110100011111110010…
…001011000110001001010
321102210000020122212102202
4132203332101120301022
5233402212230324320
64244453445200202
7304510106355113
oct36437621306112
97383006585382
102100210011210
1173a76a887473
1229b050100062
13123083724aac
147391777b20a
153997089cb75
hex1e8fe458c4a

2100210011210 has 8 divisors (see below), whose sum is σ = 3780378020196. Its totient is φ = 840084004480.

The previous prime is 2100210011183. The next prime is 2100210011213. The reversal of 2100210011210 is 121100120012.

It can be written as a sum of positive squares in 2 ways, for example, as 2027203592401 + 73006418809 = 1423799^2 + 270197^2 .

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 = 2100210011191 and 2100210011200.

It is not an unprimeable number, because it can be changed into a prime (2100210011213) 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, 105010500551 + ... + 105010500570.

Almost surely, 22100210011210 is an apocalyptic number.

2100210011210 is a deficient number, since it is larger than the sum of its proper divisors (1680168008986).

2100210011210 is a wasteful number, since it uses less digits than its factorization.

2100210011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210021001128.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100210011210 its reverse (121100120012), we get a palindrome (2221310131222).

The spelling of 2100210011210 in words is "two trillion, one hundred billion, two hundred ten million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 210021001121 420042002242 1050105005605 2100210011210