Base | Representation |
---|---|
bin | 10000110011011010… |
… | …10000110101000001 |
3 | 212021201000222122111 |
4 | 20121231100311001 |
5 | 121433413333101 |
6 | 4051100135321 |
7 | 436361123161 |
oct | 103155206501 |
9 | 25251028574 |
10 | 9021230401 |
11 | 390a281a17 |
12 | 18b9237541 |
13 | b09ca4771 |
14 | 6181805a1 |
15 | 37bec2251 |
hex | 219b50d41 |
9021230401 has 2 divisors, whose sum is σ = 9021230402. Its totient is φ = 9021230400.
The previous prime is 9021230359. The next prime is 9021230417. The reversal of 9021230401 is 1040321209.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5535508801 + 3485721600 = 74401^2 + 59040^2 .
It is an emirp because it is prime and its reverse (1040321209) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-9021230401 is a prime.
It is not a weakly prime, because it can be changed into another prime (9021230461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4510615200 + 4510615201.
It is an arithmetic number, because the mean of its divisors is an integer number (4510615201).
Almost surely, 29021230401 is an apocalyptic number.
It is an amenable number.
9021230401 is a deficient number, since it is larger than the sum of its proper divisors (1).
9021230401 is an equidigital number, since it uses as much as digits as its factorization.
9021230401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 9021230401 is about 94980.1579331178. The cubic root of 9021230401 is about 2081.7181317488.
The spelling of 9021230401 in words is "nine billion, twenty-one million, two hundred thirty thousand, four hundred one".
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