Base | Representation |
---|---|
bin | 10110110000100… |
… | …10110111101000 |
3 | 111022020122102111 |
4 | 23120102313220 |
5 | 342333334440 |
6 | 30540012104 |
7 | 4505530411 |
oct | 1330226750 |
9 | 438218374 |
10 | 190918120 |
11 | 9884a678 |
12 | 53b31034 |
13 | 30727603 |
14 | 1b4da808 |
15 | 11b634ea |
hex | b612de8 |
190918120 has 16 divisors (see below), whose sum is σ = 429565860. Its totient is φ = 76367232.
The previous prime is 190918097. The next prime is 190918121. The reversal of 190918120 is 21819091.
190918120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 188952516 + 1965604 = 13746^2 + 1402^2 .
It is not an unprimeable number, because it can be changed into a prime (190918121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386437 + ... + 2386516.
Almost surely, 2190918120 is an apocalyptic number.
190918120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
190918120 is an abundant number, since it is smaller than the sum of its proper divisors (238647740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190918120 is a wasteful number, since it uses less digits than its factorization.
190918120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4772964 (or 4772960 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 31.
The square root of 190918120 is about 13817.3123291037. The cubic root of 190918120 is about 575.8142163825.
The spelling of 190918120 in words is "one hundred ninety million, nine hundred eighteen thousand, one hundred twenty".
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