Base | Representation |
---|---|
bin | 1101011111101011000… |
… | …1110101010110000001 |
3 | 211011102101001111101002 |
4 | 3113322301311112001 |
5 | 12244302200243431 |
6 | 254301153221345 |
7 | 22515140606306 |
oct | 3277261652601 |
9 | 734371044332 |
10 | 231840634241 |
11 | 8a360aa2a57 |
12 | 38b22b61855 |
13 | 18b29b30758 |
14 | b314b7d0ad |
15 | 606d9813cb |
hex | 35fac75581 |
231840634241 has 16 divisors (see below), whose sum is σ = 240346310400. Its totient is φ = 223369583808.
The previous prime is 231840634213. The next prime is 231840634243. The reversal of 231840634241 is 142436048132.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 231840634241 - 214 = 231840617857 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231840634195 and 231840634204.
It is not an unprimeable number, because it can be changed into a prime (231840634243) 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, 30093596 + ... + 30101298.
It is an arithmetic number, because the mean of its divisors is an integer number (15021644400).
Almost surely, 2231840634241 is an apocalyptic number.
It is an amenable number.
231840634241 is a deficient number, since it is larger than the sum of its proper divisors (8505676159).
231840634241 is a wasteful number, since it uses less digits than its factorization.
231840634241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9808.
The product of its (nonzero) digits is 110592, while the sum is 38.
The spelling of 231840634241 in words is "two hundred thirty-one billion, eight hundred forty million, six hundred thirty-four thousand, two hundred forty-one".
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