Base | Representation |
---|---|
bin | 10101010000001010010… |
… | …00000110101010001111 |
3 | 2120210212000102102020000 |
4 | 22220011020012222033 |
5 | 43431002443411311 |
6 | 1315244020455343 |
7 | 103520535263460 |
oct | 12500510065217 |
9 | 2523760372200 |
10 | 730230450831 |
11 | 261764063862 |
12 | b963484a553 |
13 | 53b254bb57b |
14 | 274b41bad67 |
15 | 13edd053056 |
hex | aa05206a8f |
730230450831 has 40 divisors (see below), whose sum is σ = 1247469189120. Its totient is φ = 417007747152.
The previous prime is 730230450811. The next prime is 730230450839. The reversal of 730230450831 is 138054032037.
It is not a de Polignac number, because 730230450831 - 26 = 730230450767 is a prime.
It is a super-2 number, since 2×7302304508312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (730230450839) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 477550 + ... + 1299428.
It is an arithmetic number, because the mean of its divisors is an integer number (31186729728).
Almost surely, 2730230450831 is an apocalyptic number.
730230450831 is a deficient number, since it is larger than the sum of its proper divisors (517238738289).
730230450831 is a wasteful number, since it uses less digits than its factorization.
730230450831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 823465 (or 823456 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
Adding to 730230450831 its reverse (138054032037), we get a palindrome (868284482868).
The spelling of 730230450831 in words is "seven hundred thirty billion, two hundred thirty million, four hundred fifty thousand, eight hundred thirty-one".
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