Base | Representation |
---|---|
bin | 10011000101000011… |
… | …01101010000001001 |
3 | 222102211220011020002 |
4 | 21202201231100021 |
5 | 131434143002430 |
6 | 4412221412345 |
7 | 511554351416 |
oct | 114241552011 |
9 | 28384804202 |
10 | 10242937865 |
11 | 4386964906 |
12 | 1b9a40a0b5 |
13 | c731295a4 |
14 | 6d252110d |
15 | 3ee399845 |
hex | 26286d409 |
10242937865 has 8 divisors (see below), whose sum is σ = 12292227528. Its totient is φ = 8193882240.
The previous prime is 10242937849. The next prime is 10242937909. The reversal of 10242937865 is 56873924201.
It can be written as a sum of positive squares in 4 ways, for example, as 1779489856 + 8463448009 = 42184^2 + 91997^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10242937865 - 24 = 10242937849 is a prime.
It is a super-2 number, since 2×102429378652 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59375 + ... + 154955.
It is an arithmetic number, because the mean of its divisors is an integer number (1536528441).
It is a 1-persistent number, because it is pandigital, but 2⋅10242937865 = 20485875730 is not.
Almost surely, 210242937865 is an apocalyptic number.
It is an amenable number.
10242937865 is a deficient number, since it is larger than the sum of its proper divisors (2049289663).
10242937865 is an equidigital number, since it uses as much as digits as its factorization.
10242937865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117019.
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 10242937865 in words is "ten billion, two hundred forty-two million, nine hundred thirty-seven thousand, eight hundred sixty-five".
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