Base | Representation |
---|---|
bin | 1001111000111101101… |
… | …0111111011010101010 |
3 | 121020120022112100200020 |
4 | 2132033122333122222 |
5 | 10240433421120210 |
6 | 210015555421310 |
7 | 15163345451121 |
oct | 2361732773252 |
9 | 536508470606 |
10 | 169909941930 |
11 | 66070807213 |
12 | 28b1a5b4836 |
13 | 1303a3b48a1 |
14 | 831bb12ab8 |
15 | 46469ab770 |
hex | 278f6bf6aa |
169909941930 has 16 divisors (see below), whose sum is σ = 407783860704. Its totient is φ = 45309317840.
The previous prime is 169909941889. The next prime is 169909941947. The reversal of 169909941930 is 39149909961.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2831832336 + ... + 2831832395.
It is an arithmetic number, because the mean of its divisors is an integer number (25486491294).
Almost surely, 2169909941930 is an apocalyptic number.
169909941930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
169909941930 is an abundant number, since it is smaller than the sum of its proper divisors (237873918774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169909941930 is a wasteful number, since it uses less digits than its factorization.
169909941930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5663664741.
The product of its (nonzero) digits is 4251528, while the sum is 60.
The spelling of 169909941930 in words is "one hundred sixty-nine billion, nine hundred nine million, nine hundred forty-one thousand, nine hundred thirty".
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