Base | Representation |
---|---|
bin | 10011001100100000… |
… | …00011110010001111 |
3 | 222121012110121012012 |
4 | 21212100003302033 |
5 | 132101141423211 |
6 | 4422332531435 |
7 | 513243425345 |
oct | 114620036217 |
9 | 28535417165 |
10 | 10305420431 |
11 | 4409160999 |
12 | 1bb7320b7b |
13 | c83065517 |
14 | 6da947995 |
15 | 404adcd8b |
hex | 266403c8f |
10305420431 has 12 divisors (see below), whose sum is σ = 10880445600. Its totient is φ = 9759361248.
The previous prime is 10305420421. The next prime is 10305420467. The reversal of 10305420431 is 13402450301.
It is not a de Polignac number, because 10305420431 - 230 = 9231678607 is a prime.
It is a super-2 number, since 2×103054204312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10305420397 and 10305420406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10305420401) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762010 + ... + 1767848.
It is an arithmetic number, because the mean of its divisors is an integer number (906703800).
Almost surely, 210305420431 is an apocalyptic number.
10305420431 is a deficient number, since it is larger than the sum of its proper divisors (575025169).
10305420431 is an equidigital number, since it uses as much as digits as its factorization.
10305420431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10766 (or 10747 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 10305420431 its reverse (13402450301), we get a palindrome (23707870732).
The spelling of 10305420431 in words is "ten billion, three hundred five million, four hundred twenty thousand, four hundred thirty-one".
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