Base | Representation |
---|---|
bin | 10010110100001000… |
… | …10010110011101001 |
3 | 222001221211110022012 |
4 | 21122010102303221 |
5 | 131141324302031 |
6 | 4350151405305 |
7 | 505212110462 |
oct | 113204226351 |
9 | 28057743265 |
10 | 10101009641 |
11 | 4313836058 |
12 | 1b5a983835 |
13 | c4c8c56a8 |
14 | 6bb737d69 |
15 | 3e1bb1b2b |
hex | 25a112ce9 |
10101009641 has 4 divisors (see below), whose sum is σ = 10101226452. Its totient is φ = 10100792832.
The previous prime is 10101009631. The next prime is 10101009661. The reversal of 10101009641 is 14690010101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14690010101 = 13 ⋅1130000777.
It can be written as a sum of positive squares in 2 ways, for example, as 4582748416 + 5518261225 = 67696^2 + 74285^2 .
It is a cyclic number.
It is not a de Polignac number, because 10101009641 - 226 = 10033900777 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10101009631) 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, 6740 + ... + 142293.
It is an arithmetic number, because the mean of its divisors is an integer number (2525306613).
Almost surely, 210101009641 is an apocalyptic number.
It is an amenable number.
10101009641 is a deficient number, since it is larger than the sum of its proper divisors (216811).
10101009641 is an equidigital number, since it uses as much as digits as its factorization.
10101009641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216810.
The product of its (nonzero) digits is 216, while the sum is 23.
Adding to 10101009641 its reverse (14690010101), we get a palindrome (24791019742).
The spelling of 10101009641 in words is "ten billion, one hundred one million, nine thousand, six hundred forty-one".
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