Base | Representation |
---|---|
bin | 111110100101011… |
… | …1101000010110111 |
3 | 12102100120020122101 |
4 | 1331022331002313 |
5 | 13300101222404 |
6 | 544214442531 |
7 | 103016622301 |
oct | 17512750267 |
9 | 5370506571 |
10 | 2100023479 |
11 | 9884547a4 |
12 | 4a7363447 |
13 | 2760c8758 |
14 | 15cc94971 |
15 | c456e2a4 |
hex | 7d2bd0b7 |
2100023479 has 2 divisors, whose sum is σ = 2100023480. Its totient is φ = 2100023478.
The previous prime is 2100023477. The next prime is 2100023501. The reversal of 2100023479 is 9743200012.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2100023479 - 21 = 2100023477 is a prime.
It is a super-2 number, since 2×21000234792 = 8820197224702526882, which contains 22 as substring.
Together with 2100023477, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2100023477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050011739 + 1050011740.
It is an arithmetic number, because the mean of its divisors is an integer number (1050011740).
Almost surely, 22100023479 is an apocalyptic number.
2100023479 is a deficient number, since it is larger than the sum of its proper divisors (1).
2100023479 is an equidigital number, since it uses as much as digits as its factorization.
2100023479 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 2100023479 is about 45826.0131257346. The cubic root of 2100023479 is about 1280.5839374647.
The spelling of 2100023479 in words is "two billion, one hundred million, twenty-three thousand, four hundred seventy-nine".
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