Base | Representation |
---|---|
bin | 11010101110101100110… |
… | …01010101110001111101 |
3 | 10020210121121200010010221 |
4 | 31113112121111301331 |
5 | 110021413300013320 |
6 | 1541530231101341 |
7 | 123232266462604 |
oct | 15272631256175 |
9 | 3223547603127 |
10 | 918425001085 |
11 | 324557a73919 |
12 | 129bb6811851 |
13 | 687b7a72807 |
14 | 32648444a3b |
15 | 18d54d863aa |
hex | d5d6655c7d |
918425001085 has 4 divisors (see below), whose sum is σ = 1102110001308. Its totient is φ = 734740000864.
The previous prime is 918425001077. The next prime is 918425001121. The reversal of 918425001085 is 580100524819.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580100524819 = 113 ⋅5133632963.
It can be written as a sum of positive squares in 2 ways, for example, as 733247977401 + 185177023684 = 856299^2 + 430322^2 .
It is a cyclic number.
It is not a de Polignac number, because 918425001085 - 23 = 918425001077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91842500104 + ... + 91842500113.
It is an arithmetic number, because the mean of its divisors is an integer number (275527500327).
Almost surely, 2918425001085 is an apocalyptic number.
It is an amenable number.
918425001085 is a deficient number, since it is larger than the sum of its proper divisors (183685000223).
918425001085 is a wasteful number, since it uses less digits than its factorization.
918425001085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183685000222.
The product of its (nonzero) digits is 115200, while the sum is 43.
The spelling of 918425001085 in words is "nine hundred eighteen billion, four hundred twenty-five million, one thousand, eighty-five".
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