Base | Representation |
---|---|
bin | 1101011110001001001… |
… | …1100011100101111110 |
3 | 211010100202110100111020 |
4 | 3113202103203211332 |
5 | 12242432042402110 |
6 | 254152325005010 |
7 | 22502023626303 |
oct | 3274223434576 |
9 | 733322410436 |
10 | 231430044030 |
11 | 8a1702544a9 |
12 | 38a29553766 |
13 | 18a92a51a73 |
14 | b2b641d0aa |
15 | 60478c9d70 |
hex | 35e24e397e |
231430044030 has 32 divisors (see below), whose sum is σ = 567249813504. Its totient is φ = 60401599776.
The previous prime is 231430043939. The next prime is 231430044133. The reversal of 231430044030 is 30440034132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82065982 + ... + 82068801.
It is an arithmetic number, because the mean of its divisors is an integer number (17726556672).
Almost surely, 2231430044030 is an apocalyptic number.
231430044030 is an abundant number, since it is smaller than the sum of its proper divisors (335819769474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231430044030 is a wasteful number, since it uses less digits than its factorization.
231430044030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164134840.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 231430044030 its reverse (30440034132), we get a palindrome (261870078162).
The spelling of 231430044030 in words is "two hundred thirty-one billion, four hundred thirty million, forty-four thousand, thirty".
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