Base | Representation |
---|---|
bin | 10010101010110111… |
… | …11110011000000011 |
3 | 221212112122222200202 |
4 | 21111123332120003 |
5 | 131011433100311 |
6 | 4334334435415 |
7 | 503246624216 |
oct | 112533763003 |
9 | 27775588622 |
10 | 10023331331 |
11 | 4283a00202 |
12 | 1b38962b6b |
13 | c39798cb0 |
14 | 6b12b777d |
15 | 3d9e6ae3b |
hex | 2556fe603 |
10023331331 has 4 divisors (see below), whose sum is σ = 10794356832. Its totient is φ = 9252305832.
The previous prime is 10023331321. The next prime is 10023331333. The reversal of 10023331331 is 13313332001.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10023331331 - 218 = 10023069187 is a prime.
It is a super-2 number, since 2×100233313312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10023331333) 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, 385512731 + ... + 385512756.
It is an arithmetic number, because the mean of its divisors is an integer number (2698589208).
Almost surely, 210023331331 is an apocalyptic number.
10023331331 is a deficient number, since it is larger than the sum of its proper divisors (771025501).
10023331331 is an equidigital number, since it uses as much as digits as its factorization.
10023331331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 771025500.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 10023331331 its reverse (13313332001), we get a palindrome (23336663332).
It can be divided in two parts, 1002 and 3331331, that added together give a palindrome (3332333).
The spelling of 10023331331 in words is "ten billion, twenty-three million, three hundred thirty-one thousand, three hundred thirty-one".
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