Base | Representation |
---|---|
bin | 111100110011110… |
… | …111111011111011 |
3 | 2122002202010101212 |
4 | 330303313323323 |
5 | 4042134401134 |
6 | 245123033335 |
7 | 34165552424 |
oct | 7463677373 |
9 | 2562663355 |
10 | 1020231419 |
11 | 483991a69 |
12 | 24580b84b |
13 | 1334a1a3c |
14 | 996d664b |
15 | 5e87abce |
hex | 3ccf7efb |
1020231419 has 2 divisors, whose sum is σ = 1020231420. Its totient is φ = 1020231418.
The previous prime is 1020231403. The next prime is 1020231431. The reversal of 1020231419 is 9141320201.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1020231419 - 24 = 1020231403 is a prime.
It is a super-2 number, since 2×10202314192 = 2081744296629507122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1020231394 and 1020231403.
It is not a weakly prime, because it can be changed into another prime (1020231449) 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, 510115709 + 510115710.
It is an arithmetic number, because the mean of its divisors is an integer number (510115710).
Almost surely, 21020231419 is an apocalyptic number.
1020231419 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020231419 is an equidigital number, since it uses as much as digits as its factorization.
1020231419 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 1020231419 is about 31941.0616448483. The cubic root of 1020231419 is about 1006.6988317842.
The spelling of 1020231419 in words is "one billion, twenty million, two hundred thirty-one thousand, four hundred nineteen".
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