Base | Representation |
---|---|
bin | 100101010000011000… |
… | …001101100101001111 |
3 | 10211020220010122021021 |
4 | 211100120031211033 |
5 | 1123411311330111 |
6 | 30213252015011 |
7 | 2614213562542 |
oct | 452030154517 |
9 | 124226118237 |
10 | 40003230031 |
11 | 15a68864896 |
12 | 7905001467 |
13 | 3a0694381b |
14 | 1d16bac859 |
15 | 1091e23d71 |
hex | 95060d94f |
40003230031 has 2 divisors, whose sum is σ = 40003230032. Its totient is φ = 40003230030.
The previous prime is 40003230013. The next prime is 40003230037. The reversal of 40003230031 is 13003230004.
Together with previous prime (40003230013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 40003230031 - 25 = 40003229999 is a prime.
It is a super-2 number, since 2×400032300312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40003229987 and 40003230014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40003230037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001615015 + 20001615016.
It is an arithmetic number, because the mean of its divisors is an integer number (20001615016).
Almost surely, 240003230031 is an apocalyptic number.
40003230031 is a deficient number, since it is larger than the sum of its proper divisors (1).
40003230031 is an equidigital number, since it uses as much as digits as its factorization.
40003230031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 40003230031 its reverse (13003230004), we get a palindrome (53006460035).
The spelling of 40003230031 in words is "forty billion, three million, two hundred thirty thousand, thirty-one".
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