Base | Representation |
---|---|
bin | 100111000010110… |
… | …1110000000100011 |
3 | 10101022020002112202 |
4 | 1032011232000203 |
5 | 10140342401034 |
6 | 334000243415 |
7 | 44315565503 |
oct | 11605560043 |
9 | 3338202482 |
10 | 1310122019 |
11 | 612591078 |
12 | 30691056b |
13 | 17b57023b |
14 | c5dd7a03 |
15 | 7a03e47e |
hex | 4e16e023 |
1310122019 has 2 divisors, whose sum is σ = 1310122020. Its totient is φ = 1310122018.
The previous prime is 1310121977. The next prime is 1310122027. The reversal of 1310122019 is 9102210131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1310122019 - 216 = 1310056483 is a prime.
It is a super-2 number, since 2×13101220192 = 3432839409337272722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1310122069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655061009 + 655061010.
It is an arithmetic number, because the mean of its divisors is an integer number (655061010).
Almost surely, 21310122019 is an apocalyptic number.
1310122019 is a deficient number, since it is larger than the sum of its proper divisors (1).
1310122019 is an equidigital number, since it uses as much as digits as its factorization.
1310122019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 20.
The square root of 1310122019 is about 36195.6077307731. The cubic root of 1310122019 is about 1094.2181526395.
The spelling of 1310122019 in words is "one billion, three hundred ten million, one hundred twenty-two thousand, nineteen".
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