Base | Representation |
---|---|
bin | 10011001101001010… |
… | …11000110001001101 |
3 | 222121120222122120022 |
4 | 21212211120301031 |
5 | 132104104331110 |
6 | 4423052431525 |
7 | 513342102512 |
oct | 114645306115 |
9 | 28546878508 |
10 | 10311011405 |
11 | 441132a532 |
12 | 1bb91785a5 |
13 | c842722a6 |
14 | 6db5a1309 |
15 | 405344755 |
hex | 266958c4d |
10311011405 has 8 divisors (see below), whose sum is σ = 12606670872. Its totient is φ = 8093171008.
The previous prime is 10311011383. The next prime is 10311011407. The reversal of 10311011405 is 50411011301.
It can be written as a sum of positive squares in 4 ways, for example, as 212168356 + 10098843049 = 14566^2 + 100493^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10311011405 - 26 = 10311011341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10311011407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19454474 + ... + 19455003.
It is an arithmetic number, because the mean of its divisors is an integer number (1575833859).
Almost surely, 210311011405 is an apocalyptic number.
It is an amenable number.
10311011405 is a deficient number, since it is larger than the sum of its proper divisors (2295659467).
10311011405 is an equidigital number, since it uses as much as digits as its factorization.
10311011405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38909535.
The product of its (nonzero) digits is 60, while the sum is 17.
Adding to 10311011405 its reverse (50411011301), we get a palindrome (60722022706).
The spelling of 10311011405 in words is "ten billion, three hundred eleven million, eleven thousand, four hundred five".
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