Base | Representation |
---|---|
bin | 111100110100001… |
… | …011011000110101 |
3 | 2122002220011200202 |
4 | 330310023120311 |
5 | 4042144423333 |
6 | 245124450245 |
7 | 34166333624 |
oct | 7464133065 |
9 | 2562804622 |
10 | 1020311093 |
11 | 483a3690a |
12 | 245849985 |
13 | 1334cc099 |
14 | 997176bb |
15 | 5e8945e8 |
hex | 3cd0b635 |
1020311093 has 2 divisors, whose sum is σ = 1020311094. Its totient is φ = 1020311092.
The previous prime is 1020311081. The next prime is 1020311107. The reversal of 1020311093 is 3901130201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1007300644 + 13010449 = 31738^2 + 3607^2 .
It is an emirp because it is prime and its reverse (3901130201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1020311093 - 218 = 1020048949 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1020311023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510155546 + 510155547.
It is an arithmetic number, because the mean of its divisors is an integer number (510155547).
Almost surely, 21020311093 is an apocalyptic number.
It is an amenable number.
1020311093 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020311093 is an equidigital number, since it uses as much as digits as its factorization.
1020311093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 162, while the sum is 20.
The square root of 1020311093 is about 31942.3088238781. The cubic root of 1020311093 is about 1006.7250368305.
Adding to 1020311093 its reverse (3901130201), we get a palindrome (4921441294).
The spelling of 1020311093 in words is "one billion, twenty million, three hundred eleven thousand, ninety-three".
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