Base | Representation |
---|---|
bin | 1101011110000111001… |
… | …0001101011110110011 |
3 | 211010100011000020122112 |
4 | 3113201302031132303 |
5 | 12242422323141312 |
6 | 254151413355535 |
7 | 22501556421350 |
oct | 3274162153663 |
9 | 733304006575 |
10 | 231421302707 |
11 | 8a166323a71 |
12 | 38a26638bab |
13 | 18a90cb109a |
14 | b2b51c5627 |
15 | 6046c4ed22 |
hex | 35e1c8d7b3 |
231421302707 has 8 divisors (see below), whose sum is σ = 264488754432. Its totient is φ = 198355667400.
The previous prime is 231421302661. The next prime is 231421302743. The reversal of 231421302707 is 707203124132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231421302707 - 224 = 231404525491 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231421302407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169169 + ... + 701042.
It is an arithmetic number, because the mean of its divisors is an integer number (33061094304).
Almost surely, 2231421302707 is an apocalyptic number.
231421302707 is a deficient number, since it is larger than the sum of its proper divisors (33067451725).
231421302707 is an equidigital number, since it uses as much as digits as its factorization.
231421302707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 908209.
The product of its (nonzero) digits is 14112, while the sum is 32.
Adding to 231421302707 its reverse (707203124132), we get a palindrome (938624426839).
The spelling of 231421302707 in words is "two hundred thirty-one billion, four hundred twenty-one million, three hundred two thousand, seven hundred seven".
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