Base | Representation |
---|---|
bin | 11101101011111011111… |
… | …00001111011000111111 |
3 | 10121111211221221121002102 |
4 | 32311331330033120333 |
5 | 113203000132132311 |
6 | 2100331340415315 |
7 | 133460023404113 |
oct | 16657574173077 |
9 | 3544757847072 |
10 | 1020020192831 |
11 | 363651897102 |
12 | 14582a84753b |
13 | 75258bc35a3 |
14 | 375252a7743 |
15 | 1b7ee17043b |
hex | ed7df0f63f |
1020020192831 has 2 divisors, whose sum is σ = 1020020192832. Its totient is φ = 1020020192830.
The previous prime is 1020020192791. The next prime is 1020020192837. The reversal of 1020020192831 is 1382910200201.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1020020192831 - 214 = 1020020176447 is a prime.
It is a super-2 number, since 2×10200201928312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1020020192794 and 1020020192803.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1020020192837) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510010096415 + 510010096416.
It is an arithmetic number, because the mean of its divisors is an integer number (510010096416).
Almost surely, 21020020192831 is an apocalyptic number.
1020020192831 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020020192831 is an equidigital number, since it uses as much as digits as its factorization.
1020020192831 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 29.
The spelling of 1020020192831 in words is "one trillion, twenty billion, twenty million, one hundred ninety-two thousand, eight hundred thirty-one".
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