Base | Representation |
---|---|
bin | 1110010110011… |
… | …11101001100101 |
3 | 22101112100120010 |
4 | 13023033221211 |
5 | 221304410242 |
6 | 15540200433 |
7 | 2661165666 |
oct | 713175145 |
9 | 271470503 |
10 | 120388197 |
11 | 61a57486 |
12 | 34399119 |
13 | 1bc31827 |
14 | 11dbb36d |
15 | a88089c |
hex | 72cfa65 |
120388197 has 16 divisors (see below), whose sum is σ = 166632192. Its totient is φ = 77257920.
The previous prime is 120388183. The next prime is 120388201. The reversal of 120388197 is 791883021.
It is not a de Polignac number, because 120388197 - 215 = 120355429 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120388127) 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, 1603 + ... + 15599.
It is an arithmetic number, because the mean of its divisors is an integer number (10414512).
Almost surely, 2120388197 is an apocalyptic number.
It is an amenable number.
120388197 is a deficient number, since it is larger than the sum of its proper divisors (46243995).
120388197 is a wasteful number, since it uses less digits than its factorization.
120388197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14108.
The product of its (nonzero) digits is 24192, while the sum is 39.
The square root of 120388197 is about 10972.1555311616. The cubic root of 120388197 is about 493.7737179869.
The spelling of 120388197 in words is "one hundred twenty million, three hundred eighty-eight thousand, one hundred ninety-seven".
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