Base | Representation |
---|---|
bin | 10101110100100110… |
… | …101101001110010001 |
3 | 2020110221211020210221 |
4 | 111310212231032101 |
5 | 340441332441431 |
6 | 14433014353041 |
7 | 1456434256135 |
oct | 256446551621 |
9 | 66427736727 |
10 | 23431140241 |
11 | 9a342a4513 |
12 | 465b05b781 |
13 | 22954b4732 |
14 | 11c3c7b3c5 |
15 | 9220c5111 |
hex | 5749ad391 |
23431140241 has 4 divisors (see below), whose sum is σ = 23566580532. Its totient is φ = 23295699952.
The previous prime is 23431140217. The next prime is 23431140247. The reversal of 23431140241 is 14204113432.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19347419025 + 4083721216 = 139095^2 + 63904^2 .
It is a cyclic number.
It is not a de Polignac number, because 23431140241 - 27 = 23431140113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23431140247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67719886 + ... + 67720231.
It is an arithmetic number, because the mean of its divisors is an integer number (5891645133).
Almost surely, 223431140241 is an apocalyptic number.
It is an amenable number.
23431140241 is a deficient number, since it is larger than the sum of its proper divisors (135440291).
23431140241 is a wasteful number, since it uses less digits than its factorization.
23431140241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135440290.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 23431140241 its reverse (14204113432), we get a palindrome (37635253673).
The spelling of 23431140241 in words is "twenty-three billion, four hundred thirty-one million, one hundred forty thousand, two hundred forty-one".
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