Base | Representation |
---|---|
bin | 100110100100100100111110… |
… | …101011011110101000001001 |
3 | 211020122100212201010211111120 |
4 | 212210210332223132220021 |
5 | 134213332414432001040 |
6 | 1400443130350145453 |
7 | 50506016564623530 |
oct | 4644447653365011 |
9 | 736570781124446 |
10 | 169639374875145 |
11 | 4a06372269a42a |
12 | 170392b74b2289 |
13 | 7386c02c0c2b6 |
14 | 2dc6837a39317 |
15 | 1492a995717d0 |
hex | 9a493eadea09 |
169639374875145 has 16 divisors (see below), whose sum is σ = 310197714057600. Its totient is φ = 77549428514304.
The previous prime is 169639374875123. The next prime is 169639374875161. The reversal of 169639374875145 is 541578473936961.
169639374875145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 169639374875145 - 26 = 169639374875081 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807806546920 + ... + 807806547129.
It is an arithmetic number, because the mean of its divisors is an integer number (19387357128600).
Almost surely, 2169639374875145 is an apocalyptic number.
169639374875145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
169639374875145 is a deficient number, since it is larger than the sum of its proper divisors (140558339182455).
169639374875145 is a wasteful number, since it uses less digits than its factorization.
169639374875145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1615613094064.
The product of its digits is 4115059200, while the sum is 78.
The spelling of 169639374875145 in words is "one hundred sixty-nine trillion, six hundred thirty-nine billion, three hundred seventy-four million, eight hundred seventy-five thousand, one hundred forty-five".
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