Base | Representation |
---|---|
bin | 111100010100010… |
… | …0101101100100001 |
3 | 12020001100002012111 |
4 | 1320220211230201 |
5 | 13121104443311 |
6 | 532455155321 |
7 | 101103626551 |
oct | 17050455441 |
9 | 5201302174 |
10 | 2023906081 |
11 | 94949565a |
12 | 485975b41 |
13 | 2633c7682 |
14 | 152b1d161 |
15 | bca35d21 |
hex | 78a25b21 |
2023906081 has 2 divisors, whose sum is σ = 2023906082. Its totient is φ = 2023906080.
The previous prime is 2023906061. The next prime is 2023906099. The reversal of 2023906081 is 1806093202.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1902355456 + 121550625 = 43616^2 + 11025^2 .
It is a cyclic number.
It is not a de Polignac number, because 2023906081 - 217 = 2023775009 is a prime.
It is a super-2 number, since 2×20239060812 = 8192391649417557122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2023906061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011953040 + 1011953041.
It is an arithmetic number, because the mean of its divisors is an integer number (1011953041).
Almost surely, 22023906081 is an apocalyptic number.
It is an amenable number.
2023906081 is a deficient number, since it is larger than the sum of its proper divisors (1).
2023906081 is an equidigital number, since it uses as much as digits as its factorization.
2023906081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 2023906081 is about 44987.8437024937. The cubic root of 2023906081 is about 1264.9211428396.
Adding to 2023906081 its reverse (1806093202), we get a palindrome (3829999283).
The spelling of 2023906081 in words is "two billion, twenty-three million, nine hundred six thousand, eighty-one".
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