Base | Representation |
---|---|
bin | 111110100101011… |
… | …1111001001101111 |
3 | 12102100120200111002 |
4 | 1331022333021233 |
5 | 13300102011421 |
6 | 544214550515 |
7 | 103016656412 |
oct | 17512771157 |
9 | 5370520432 |
10 | 2100032111 |
11 | 988460231 |
12 | 4a736843b |
13 | 2760cc668 |
14 | 15cc97b79 |
15 | c4571b0b |
hex | 7d2bf26f |
2100032111 has 2 divisors, whose sum is σ = 2100032112. Its totient is φ = 2100032110.
The previous prime is 2100032093. The next prime is 2100032113. The reversal of 2100032111 is 1112300012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2100032111 - 214 = 2100015727 is a prime.
It is a super-2 number, since 2×21000321112 = 8820269734462232642, which contains 22 as substring.
Together with 2100032113, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 2100032092 and 2100032101.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2100032113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050016055 + 1050016056.
It is an arithmetic number, because the mean of its divisors is an integer number (1050016056).
Almost surely, 22100032111 is an apocalyptic number.
2100032111 is a deficient number, since it is larger than the sum of its proper divisors (1).
2100032111 is an equidigital number, since it uses as much as digits as its factorization.
2100032111 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 2100032111 is about 45826.1073079527. The cubic root of 2100032111 is about 1280.5856920459.
Adding to 2100032111 its reverse (1112300012), we get a palindrome (3212332123).
The spelling of 2100032111 in words is "two billion, one hundred million, thirty-two thousand, one hundred eleven".
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