Base | Representation |
---|---|
bin | 1100001111011… |
… | …10011001011111 |
3 | 21011020002221021 |
4 | 12013232121133 |
5 | 202242011401 |
6 | 14104545011 |
7 | 2354556643 |
oct | 607563137 |
9 | 234202837 |
10 | 102688351 |
11 | 52a68307 |
12 | 2a482167 |
13 | 1837534c |
14 | d8d0c23 |
15 | 90362a1 |
hex | 61ee65f |
102688351 has 2 divisors, whose sum is σ = 102688352. Its totient is φ = 102688350.
The previous prime is 102688349. The next prime is 102688363. The reversal of 102688351 is 153886201.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 102688351 - 21 = 102688349 is a prime.
Together with 102688349, 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 (102688301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51344175 + 51344176.
It is an arithmetic number, because the mean of its divisors is an integer number (51344176).
Almost surely, 2102688351 is an apocalyptic number.
102688351 is a deficient number, since it is larger than the sum of its proper divisors (1).
102688351 is an equidigital number, since it uses as much as digits as its factorization.
102688351 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 102688351 is about 10133.5260891755. The cubic root of 102688351 is about 468.2815637725.
The spelling of 102688351 in words is "one hundred two million, six hundred eighty-eight thousand, three hundred fifty-one".
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