Base | Representation |
---|---|
bin | 101111110011001001… |
… | …1101010011111001011 |
3 | 100210221201121220221002 |
4 | 1133212103222133023 |
5 | 3140210412143001 |
6 | 115053402205215 |
7 | 10262500661105 |
oct | 1374623523713 |
9 | 323851556832 |
10 | 102648162251 |
11 | 3a595236648 |
12 | 17a887b380b |
13 | 98ab34645b |
14 | 4d7aa3c575 |
15 | 2a0b98046b |
hex | 17e64ea7cb |
102648162251 has 2 divisors, whose sum is σ = 102648162252. Its totient is φ = 102648162250.
The previous prime is 102648162187. The next prime is 102648162293. The reversal of 102648162251 is 152261846201.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 102648162251 - 26 = 102648162187 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (102642162251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51324081125 + 51324081126.
It is an arithmetic number, because the mean of its divisors is an integer number (51324081126).
Almost surely, 2102648162251 is an apocalyptic number.
102648162251 is a deficient number, since it is larger than the sum of its proper divisors (1).
102648162251 is an equidigital number, since it uses as much as digits as its factorization.
102648162251 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46080, while the sum is 38.
The spelling of 102648162251 in words is "one hundred two billion, six hundred forty-eight million, one hundred sixty-two thousand, two hundred fifty-one".
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