Base | Representation |
---|---|
bin | 111100111010101… |
… | …000001101101111 |
3 | 2122020002002020002 |
4 | 330322220031233 |
5 | 4043113031111 |
6 | 245225014515 |
7 | 34216605521 |
oct | 7472501557 |
9 | 2566062202 |
10 | 1022002031 |
11 | 484991286 |
12 | 24632443b |
13 | 13397193b |
14 | 99a37a11 |
15 | 5eaca63b |
hex | 3cea836f |
1022002031 has 2 divisors, whose sum is σ = 1022002032. Its totient is φ = 1022002030.
The previous prime is 1022001989. The next prime is 1022002057. The reversal of 1022002031 is 1302002201.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1022002031 - 210 = 1022001007 is a prime.
It is a super-2 number, since 2×10220020312 = 2088976302736249922, which contains 22 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1022002061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511001015 + 511001016.
It is an arithmetic number, because the mean of its divisors is an integer number (511001016).
Almost surely, 21022002031 is an apocalyptic number.
1022002031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1022002031 is an equidigital number, since it uses as much as digits as its factorization.
1022002031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 1022002031 is about 31968.7664916869. The cubic root of 1022002031 is about 1007.2808706010.
Adding to 1022002031 its reverse (1302002201), we get a palindrome (2324004232).
The spelling of 1022002031 in words is "one billion, twenty-two million, two thousand, thirty-one".
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