Base | Representation |
---|---|
bin | 1000011111101111… |
… | …0110001001001111 |
3 | 12212221101010010002 |
4 | 2013323312021033 |
5 | 14132314044211 |
6 | 1014145234515 |
7 | 110341612556 |
oct | 20773661117 |
9 | 5787333102 |
10 | 2280612431 |
11 | a70389969 |
12 | 537932a3b |
13 | 2a4647716 |
14 | 178c62d9d |
15 | d534203b |
hex | 87ef624f |
2280612431 has 2 divisors, whose sum is σ = 2280612432. Its totient is φ = 2280612430.
The previous prime is 2280612353. The next prime is 2280612511. The reversal of 2280612431 is 1342160822.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2280612431 - 210 = 2280611407 is a prime.
It is a super-2 number, since 2×22806124312 = 10402386120863459522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2280612394 and 2280612403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2280615431) 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, 1140306215 + 1140306216.
It is an arithmetic number, because the mean of its divisors is an integer number (1140306216).
Almost surely, 22280612431 is an apocalyptic number.
2280612431 is a deficient number, since it is larger than the sum of its proper divisors (1).
2280612431 is an equidigital number, since it uses as much as digits as its factorization.
2280612431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 2280612431 is about 47755.7580926112. The cubic root of 2280612431 is about 1316.2867079105.
The spelling of 2280612431 in words is "two billion, two hundred eighty million, six hundred twelve thousand, four hundred thirty-one".
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