Base | Representation |
---|---|
bin | 11101101100000110000… |
… | …00111100000010001111 |
3 | 10121112001220010000101011 |
4 | 32312003000330002033 |
5 | 113203133424412401 |
6 | 2100344021030051 |
7 | 133462106033131 |
oct | 16660300740217 |
9 | 3545056100334 |
10 | 1020105310351 |
11 | 363695943166 |
12 | 145853255327 |
13 | 7527072609a |
14 | 37532703051 |
15 | 1b806885451 |
hex | ed8303c08f |
1020105310351 has 2 divisors, whose sum is σ = 1020105310352. Its totient is φ = 1020105310350.
The previous prime is 1020105310339. The next prime is 1020105310361. The reversal of 1020105310351 is 1530135010201.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1020105310351 - 225 = 1020071755919 is a prime.
It is a super-2 number, since 2×10201053103512 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1020105310361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510052655175 + 510052655176.
It is an arithmetic number, because the mean of its divisors is an integer number (510052655176).
Almost surely, 21020105310351 is an apocalyptic number.
1020105310351 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020105310351 is an equidigital number, since it uses as much as digits as its factorization.
1020105310351 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 450, while the sum is 22.
The spelling of 1020105310351 in words is "one trillion, twenty billion, one hundred five million, three hundred ten thousand, three hundred fifty-one".
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