Base | Representation |
---|---|
bin | 1101011110100001000… |
… | …1011011101000001111 |
3 | 211010121201211021122010 |
4 | 3113220101123220033 |
5 | 12243133204303130 |
6 | 254210302352303 |
7 | 22504350543534 |
oct | 3275021335017 |
9 | 733551737563 |
10 | 231530150415 |
11 | 8a211808953 |
12 | 38a56b8b693 |
13 | 18aaa701b05 |
14 | b2c583ad8b |
15 | 60515a10b0 |
hex | 35e845ba0f |
231530150415 has 16 divisors (see below), whose sum is σ = 370847023200. Its totient is φ = 123349819392.
The previous prime is 231530150413. The next prime is 231530150419. The reversal of 231530150415 is 514051035132.
It is not a de Polignac number, because 231530150415 - 21 = 231530150413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231530150413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8293570 + ... + 8321439.
It is an arithmetic number, because the mean of its divisors is an integer number (23177938950).
Almost surely, 2231530150415 is an apocalyptic number.
231530150415 is a deficient number, since it is larger than the sum of its proper divisors (139316872785).
231530150415 is a wasteful number, since it uses less digits than its factorization.
231530150415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16615946.
The product of its (nonzero) digits is 9000, while the sum is 30.
Adding to 231530150415 its reverse (514051035132), we get a palindrome (745581185547).
The spelling of 231530150415 in words is "two hundred thirty-one billion, five hundred thirty million, one hundred fifty thousand, four hundred fifteen".
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