Base | Representation |
---|---|
bin | 111100111011011… |
… | …001000010010001 |
3 | 2122020110020112101 |
4 | 330323121002101 |
5 | 4043140431001 |
6 | 245233200401 |
7 | 34221400522 |
oct | 7473310221 |
9 | 2566406471 |
10 | 1022202001 |
11 | 485008547 |
12 | 246400101 |
13 | 133a11972 |
14 | 99a8a849 |
15 | 5eb19a01 |
hex | 3ced9091 |
1022202001 has 2 divisors, whose sum is σ = 1022202002. Its totient is φ = 1022202000.
The previous prime is 1022201951. The next prime is 1022202017. The reversal of 1022202001 is 1002022201.
1022202001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 922701376 + 99500625 = 30376^2 + 9975^2 .
It is an emirp because it is prime and its reverse (1002022201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1022202001 - 221 = 1020104849 is a prime.
It is not a weakly prime, because it can be changed into another prime (1022202901) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511101000 + 511101001.
It is an arithmetic number, because the mean of its divisors is an integer number (511101001).
Almost surely, 21022202001 is an apocalyptic number.
It is an amenable number.
1022202001 is a deficient number, since it is larger than the sum of its proper divisors (1).
1022202001 is an equidigital number, since it uses as much as digits as its factorization.
1022202001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 1022202001 is about 31971.8939226315. The cubic root of 1022202001 is about 1007.3465628448.
Adding to 1022202001 its reverse (1002022201), we get a palindrome (2024224202).
The spelling of 1022202001 in words is "one billion, twenty-two million, two hundred two thousand, one".
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