Base | Representation |
---|---|
bin | 10000110011111… |
… | …00101111011001 |
3 | 100211100120020110 |
4 | 20121330233121 |
5 | 242100120441 |
6 | 21554314533 |
7 | 3331436244 |
oct | 1031745731 |
9 | 324316213 |
10 | 141020121 |
11 | 72669560 |
12 | 3b288a49 |
13 | 232a6778 |
14 | 14a2c25b |
15 | c5a8b16 |
hex | 867cbd9 |
141020121 has 16 divisors (see below), whose sum is σ = 208992960. Its totient is φ = 83853120.
The previous prime is 141020093. The next prime is 141020123. The reversal of 141020121 is 121020141.
It is a happy number.
It is not a de Polignac number, because 141020121 - 26 = 141020057 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 141020097 and 141020106.
It is not an unprimeable number, because it can be changed into a prime (141020123) 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, 38566 + ... + 42063.
It is an arithmetic number, because the mean of its divisors is an integer number (13062060).
Almost surely, 2141020121 is an apocalyptic number.
141020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
141020121 is a deficient number, since it is larger than the sum of its proper divisors (67972839).
141020121 is a wasteful number, since it uses less digits than its factorization.
141020121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80696.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 141020121 is about 11875.1893037543. The cubic root of 141020121 is about 520.5075431622.
Adding to 141020121 its reverse (121020141), we get a palindrome (262040262).
It can be divided in two parts, 141020 and 121, that added together give a palindrome (141141).
The spelling of 141020121 in words is "one hundred forty-one million, twenty thousand, one hundred twenty-one".
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