Base | Representation |
---|---|
bin | 10010000011001100… |
… | …00110110001011001 |
3 | 221000100021111112102 |
4 | 21001212012301121 |
5 | 124321223132331 |
6 | 4241323453145 |
7 | 462065255642 |
oct | 110146066131 |
9 | 27010244472 |
10 | 9690442841 |
11 | 4123003152 |
12 | 1a653871b5 |
13 | bb5824561 |
14 | 67cdc26c9 |
15 | 3bab124cb |
hex | 241986c59 |
9690442841 has 4 divisors (see below), whose sum is σ = 9691336932. Its totient is φ = 9689548752.
The previous prime is 9690442837. The next prime is 9690442847. The reversal of 9690442841 is 1482440969.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1482440969 = 137 ⋅10820737.
It can be written as a sum of positive squares in 2 ways, for example, as 2243443225 + 7446999616 = 47365^2 + 86296^2 .
It is a cyclic number.
It is not a de Polignac number, because 9690442841 - 22 = 9690442837 is a prime.
It is a super-3 number, since 3×96904428413 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9690442847) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430586 + ... + 452531.
It is an arithmetic number, because the mean of its divisors is an integer number (2422834233).
Almost surely, 29690442841 is an apocalyptic number.
It is an amenable number.
9690442841 is a deficient number, since it is larger than the sum of its proper divisors (894091).
9690442841 is a wasteful number, since it uses less digits than its factorization.
9690442841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 894090.
The product of its (nonzero) digits is 497664, while the sum is 47.
The square root of 9690442841 is about 98440.0469372095. The cubic root of 9690442841 is about 2131.9705834164.
The spelling of 9690442841 in words is "nine billion, six hundred ninety million, four hundred forty-two thousand, eight hundred forty-one".
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