Base | Representation |
---|---|
bin | 1101011010011000110… |
… | …0011000010110011111 |
3 | 211000202110202112100022 |
4 | 3112212030120112133 |
5 | 12233400402430030 |
6 | 253504301022355 |
7 | 22435026455225 |
oct | 3264614302637 |
9 | 730673675308 |
10 | 230421530015 |
11 | 897a2a45a46 |
12 | 387a78549bb |
13 | 18961b23501 |
14 | b21c4d6b15 |
15 | 5ed90b5de5 |
hex | 35a631859f |
230421530015 has 12 divisors (see below), whose sum is σ = 282514124856. Its totient is φ = 180415146768.
The previous prime is 230421529981. The next prime is 230421530023. The reversal of 230421530015 is 510035124032.
It is a happy number.
It is not a de Polignac number, because 230421530015 - 28 = 230421529759 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10419989 + ... + 10442078.
It is an arithmetic number, because the mean of its divisors is an integer number (23542843738).
Almost surely, 2230421530015 is an apocalyptic number.
230421530015 is a deficient number, since it is larger than the sum of its proper divisors (52092594841).
230421530015 is an equidigital number, since it uses as much as digits as its factorization.
230421530015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20862166 (or 20862119 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
Adding to 230421530015 its reverse (510035124032), we get a palindrome (740456654047).
The spelling of 230421530015 in words is "two hundred thirty billion, four hundred twenty-one million, five hundred thirty thousand, fifteen".
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