Base | Representation |
---|---|
bin | 111110101001110… |
… | …1000110111001111 |
3 | 12102111211220121002 |
4 | 1331103220313033 |
5 | 13301142100421 |
6 | 544335330515 |
7 | 103045153562 |
oct | 17523506717 |
9 | 5374756532 |
10 | 2102300111 |
11 | 98976a20a |
12 | 4a8080a3b |
13 | 276714a82 |
14 | 15d2c84d9 |
15 | c486db0b |
hex | 7d4e8dcf |
2102300111 has 4 divisors (see below), whose sum is σ = 2127629112. Its totient is φ = 2076971112.
The previous prime is 2102300099. The next prime is 2102300129. The reversal of 2102300111 is 1110032012.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2102300111 is a prime.
It is a super-2 number, since 2×21023001112 = 8839331513421224642, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2102300092 and 2102300101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102300141) 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, 12664376 + ... + 12664541.
It is an arithmetic number, because the mean of its divisors is an integer number (531907278).
Almost surely, 22102300111 is an apocalyptic number.
2102300111 is a deficient number, since it is larger than the sum of its proper divisors (25329001).
2102300111 is an equidigital number, since it uses as much as digits as its factorization.
2102300111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25329000.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 2102300111 is about 45850.8463498767. The cubic root of 2102300111 is about 1281.0465299865.
Adding to 2102300111 its reverse (1110032012), we get a palindrome (3212332123).
The spelling of 2102300111 in words is "two billion, one hundred two million, three hundred thousand, one hundred eleven".
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