Base | Representation |
---|---|
bin | 10000111000110… |
… | …10011010000000 |
3 | 100212120101002221 |
4 | 20130122122000 |
5 | 242231302140 |
6 | 22020220424 |
7 | 3340066114 |
oct | 1034323200 |
9 | 325511087 |
10 | 141665920 |
11 | 72a6a780 |
12 | 3b53a714 |
13 | 234716b6 |
14 | 14b59744 |
15 | c68514a |
hex | 871a680 |
141665920 has 64 divisors (see below), whose sum is σ = 369476640. Its totient is φ = 51512320.
The previous prime is 141665897. The next prime is 141665929. The reversal of 141665920 is 29566141.
141665920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (141665929) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3022 + ... + 17101.
Almost surely, 2141665920 is an apocalyptic number.
141665920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
141665920 is an abundant number, since it is smaller than the sum of its proper divisors (227810720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141665920 is a wasteful number, since it uses less digits than its factorization.
141665920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20153 (or 20141 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 141665920 is about 11902.3493479229. The cubic root of 141665920 is about 521.3008848721.
The spelling of 141665920 in words is "one hundred forty-one million, six hundred sixty-five thousand, nine hundred twenty".
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