Base | Representation |
---|---|
bin | 1101011011100111010… |
… | …1001111010110010001 |
3 | 211001121102201202101000 |
4 | 3112321311033112101 |
5 | 12240034224230040 |
6 | 254001110532213 |
7 | 22446140130660 |
oct | 3267165172621 |
9 | 731542652330 |
10 | 230751008145 |
11 | 89951a23819 |
12 | 3887a067069 |
13 | 189b5172898 |
14 | b250180dd7 |
15 | 6007e99130 |
hex | 35b9d4f591 |
230751008145 has 64 divisors (see below), whose sum is σ = 479730493440. Its totient is φ = 103032990144.
The previous prime is 230751008101. The next prime is 230751008153. The reversal of 230751008145 is 541800157032.
230751008145 is a `hidden beast` number, since 23 + 0 + 7 + 510 + 0 + 81 + 45 = 666.
It is not a de Polignac number, because 230751008145 - 213 = 230750999953 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2798679 + ... + 2879948.
It is an arithmetic number, because the mean of its divisors is an integer number (7495788960).
Almost surely, 2230751008145 is an apocalyptic number.
It is an amenable number.
230751008145 is an abundant number, since it is smaller than the sum of its proper divisors (248979485295).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230751008145 is a wasteful number, since it uses less digits than its factorization.
230751008145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5678691 (or 5678685 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The spelling of 230751008145 in words is "two hundred thirty billion, seven hundred fifty-one million, eight thousand, one hundred forty-five".
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