Base | Representation |
---|---|
bin | 1011010010000000001111… |
… | …1010101001111111110101 |
3 | 1121220210201022000010010121 |
4 | 2310200003322221333311 |
5 | 3111211222400240434 |
6 | 42214142022451541 |
7 | 2420103660035443 |
oct | 264400372517765 |
9 | 47823638003117 |
10 | 12403931258869 |
11 | 3a5252890a177 |
12 | 1483b6b593bb1 |
13 | 6bc8bb631ab7 |
14 | 30c4d3d1db93 |
15 | 1679c4a117b4 |
hex | b4803ea9ff5 |
12403931258869 has 2 divisors, whose sum is σ = 12403931258870. Its totient is φ = 12403931258868.
The previous prime is 12403931258813. The next prime is 12403931258881. The reversal of 12403931258869 is 96885213930421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12366581058225 + 37350200644 = 3516615^2 + 193262^2 .
It is a cyclic number.
It is not a de Polignac number, because 12403931258869 - 215 = 12403931226101 is a prime.
It is a super-2 number, since 2×124039312588692 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12403931258899) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201965629434 + 6201965629435.
It is an arithmetic number, because the mean of its divisors is an integer number (6201965629435).
Almost surely, 212403931258869 is an apocalyptic number.
It is an amenable number.
12403931258869 is a deficient number, since it is larger than the sum of its proper divisors (1).
12403931258869 is an equidigital number, since it uses as much as digits as its factorization.
12403931258869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 22394880, while the sum is 61.
The spelling of 12403931258869 in words is "twelve trillion, four hundred three billion, nine hundred thirty-one million, two hundred fifty-eight thousand, eight hundred sixty-nine".
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