Base | Representation |
---|---|
bin | 10000111111100110… |
… | …10101010111011001 |
3 | 212112211110001210020 |
4 | 20133303111113121 |
5 | 122141103011040 |
6 | 4105151541053 |
7 | 442042226025 |
oct | 103763252731 |
9 | 25484401706 |
10 | 9123485145 |
11 | 3961a73475 |
12 | 192752a789 |
13 | b25227628 |
14 | 62799b385 |
15 | 385e6ecd0 |
hex | 21fcd55d9 |
9123485145 has 16 divisors (see below), whose sum is σ = 14599030272. Its totient is φ = 4865374080.
The previous prime is 9123485143. The next prime is 9123485153. The reversal of 9123485145 is 5415843219.
It is not a de Polignac number, because 9123485145 - 21 = 9123485143 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 9123485097 and 9123485106.
It is not an unprimeable number, because it can be changed into a prime (9123485143) 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, 166605 + ... + 214485.
It is an arithmetic number, because the mean of its divisors is an integer number (912439392).
Almost surely, 29123485145 is an apocalyptic number.
It is an amenable number.
9123485145 is a deficient number, since it is larger than the sum of its proper divisors (5475545127).
9123485145 is a wasteful number, since it uses less digits than its factorization.
9123485145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60592.
The product of its digits is 172800, while the sum is 42.
The square root of 9123485145 is about 95516.9364301431. The cubic root of 9123485145 is about 2089.5539553914.
The spelling of 9123485145 in words is "nine billion, one hundred twenty-three million, four hundred eighty-five thousand, one hundred forty-five".
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