Base | Representation |
---|---|
bin | 10001000101000100… |
… | …10011110101100001 |
3 | 212200000202110010201 |
4 | 20202202103311201 |
5 | 122234323312311 |
6 | 4113511025201 |
7 | 443140136506 |
oct | 104242236541 |
9 | 25600673121 |
10 | 9169354081 |
11 | 3985952488 |
12 | 193a96b201 |
13 | b31897604 |
14 | 62dadb4ad |
15 | 389ed09c1 |
hex | 222893d61 |
9169354081 has 2 divisors, whose sum is σ = 9169354082. Its totient is φ = 9169354080.
The previous prime is 9169354069. The next prime is 9169354109. The reversal of 9169354081 is 1804539619.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7953785856 + 1215568225 = 89184^2 + 34865^2 .
It is an emirp because it is prime and its reverse (1804539619) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9169354081 - 231 = 7021870433 is a prime.
It is a super-2 number, since 2×91693540812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (9169354781) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4584677040 + 4584677041.
It is an arithmetic number, because the mean of its divisors is an integer number (4584677041).
Almost surely, 29169354081 is an apocalyptic number.
It is an amenable number.
9169354081 is a deficient number, since it is larger than the sum of its proper divisors (1).
9169354081 is an equidigital number, since it uses as much as digits as its factorization.
9169354081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 233280, while the sum is 46.
The square root of 9169354081 is about 95756.7443107795. The cubic root of 9169354081 is about 2093.0498943093.
The spelling of 9169354081 in words is "nine billion, one hundred sixty-nine million, three hundred fifty-four thousand, eighty-one".
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