Base | Representation |
---|---|
bin | 101111101011111000… |
… | …1000100100011000011 |
3 | 100210022201121000101002 |
4 | 1133113301010203003 |
5 | 3134210434303211 |
6 | 115013245402215 |
7 | 10253446306436 |
oct | 1372761044303 |
9 | 323281530332 |
10 | 102404212931 |
11 | 3a47a565939 |
12 | 17a1ab6936b |
13 | 986c941b47 |
14 | 4d5649981d |
15 | 29e534403b |
hex | 17d7c448c3 |
102404212931 has 2 divisors, whose sum is σ = 102404212932. Its totient is φ = 102404212930.
The previous prime is 102404212849. The next prime is 102404212973. The reversal of 102404212931 is 139212404201.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 102404212931 - 214 = 102404196547 is a prime.
It is a super-2 number, since 2×1024042129312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102404212894 and 102404212903.
It is not a weakly prime, because it can be changed into another prime (102404212331) 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, 51202106465 + 51202106466.
It is an arithmetic number, because the mean of its divisors is an integer number (51202106466).
Almost surely, 2102404212931 is an apocalyptic number.
102404212931 is a deficient number, since it is larger than the sum of its proper divisors (1).
102404212931 is an equidigital number, since it uses as much as digits as its factorization.
102404212931 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 102404212931 in words is "one hundred two billion, four hundred four million, two hundred twelve thousand, nine hundred thirty-one".
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