Base | Representation |
---|---|
bin | 111011101000110… |
… | …1000110010010010 |
3 | 12011110110000220001 |
4 | 1313101220302102 |
5 | 13044241042320 |
6 | 530322440214 |
7 | 100406113246 |
oct | 16721506222 |
9 | 5143400801 |
10 | 2001112210 |
11 | 937637249 |
12 | 47a20306a |
13 | 25b776686 |
14 | 14daa8426 |
15 | baa3220a |
hex | 77468c92 |
2001112210 has 32 divisors (see below), whose sum is σ = 3627538992. Its totient is φ = 794787840.
The previous prime is 2001112207. The next prime is 2001112213. The reversal of 2001112210 is 122111002.
It is an interprime number because it is at equal distance from previous prime (2001112207) and next prime (2001112213).
It can be written as a sum of positive squares in 8 ways, for example, as 1442404441 + 558707769 = 37979^2 + 23637^2 .
It is a super-2 number, since 2×20011122102 = 8008900154022168200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (2001112213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1734994 + ... + 1736146.
Almost surely, 22001112210 is an apocalyptic number.
2001112210 is a deficient number, since it is larger than the sum of its proper divisors (1626426782).
2001112210 is a wasteful number, since it uses less digits than its factorization.
2001112210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2238.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 2001112210 is about 44733.7927075270. The cubic root of 2001112210 is about 1260.1545560807.
Adding to 2001112210 its reverse (122111002), we get a palindrome (2123223212).
The spelling of 2001112210 in words is "two billion, one million, one hundred twelve thousand, two hundred ten".
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