Base | Representation |
---|---|
bin | 1101011100100101100… |
… | …1011000110010011011 |
3 | 211002021122002201222222 |
4 | 3113021121120302123 |
5 | 12241103102022420 |
6 | 254043035534255 |
7 | 22455460544600 |
oct | 3271131306233 |
9 | 732248081888 |
10 | 231012142235 |
11 | 89a76371716 |
12 | 389315ba38b |
13 | 18a272b30b4 |
14 | b276b186a7 |
15 | 6020d7c225 |
hex | 35c9658c9b |
231012142235 has 12 divisors (see below), whose sum is σ = 322474092768. Its totient is φ = 158408325936.
The previous prime is 231012142187. The next prime is 231012142297. The reversal of 231012142235 is 532241210132.
It is not a de Polignac number, because 231012142235 - 212 = 231012138139 is a prime.
It is a Duffinian 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, 471453107 + ... + 471453596.
It is an arithmetic number, because the mean of its divisors is an integer number (26872841064).
Almost surely, 2231012142235 is an apocalyptic number.
231012142235 is a deficient number, since it is larger than the sum of its proper divisors (91461950533).
231012142235 is an equidigital number, since it uses as much as digits as its factorization.
231012142235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 942906722 (or 942906715 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 231012142235 its reverse (532241210132), we get a palindrome (763253352367).
The spelling of 231012142235 in words is "two hundred thirty-one billion, twelve million, one hundred forty-two thousand, two hundred thirty-five".
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