Base | Representation |
---|---|
bin | 10101101110100101… |
… | …000000010110010001 |
3 | 2020012220120100222222 |
4 | 111232211000112101 |
5 | 340234441442433 |
6 | 14415003310425 |
7 | 1454065664033 |
oct | 255645002621 |
9 | 66186510888 |
10 | 23330030993 |
11 | 9992215655 |
12 | 463121b415 |
13 | 227a573089 |
14 | 11b467bc53 |
15 | 9182a1b98 |
hex | 56e940591 |
23330030993 has 2 divisors, whose sum is σ = 23330030994. Its totient is φ = 23330030992.
The previous prime is 23330030981. The next prime is 23330031007. The reversal of 23330030993 is 39903003332.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21461371009 + 1868659984 = 146497^2 + 43228^2 .
It is a cyclic number.
It is not a de Polignac number, because 23330030993 - 222 = 23325836689 is a prime.
It is a super-2 number, since 2×233300309932 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (23330036993) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665015496 + 11665015497.
It is an arithmetic number, because the mean of its divisors is an integer number (11665015497).
Almost surely, 223330030993 is an apocalyptic number.
It is an amenable number.
23330030993 is a deficient number, since it is larger than the sum of its proper divisors (1).
23330030993 is an equidigital number, since it uses as much as digits as its factorization.
23330030993 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 39366, while the sum is 35.
The spelling of 23330030993 in words is "twenty-three billion, three hundred thirty million, thirty thousand, nine hundred ninety-three".
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