Base | Representation |
---|---|
bin | 10000110101011… |
… | …01110010011111 |
3 | 100211201202211021 |
4 | 20122231302133 |
5 | 242123033043 |
6 | 22002505011 |
7 | 3333234046 |
oct | 1032556237 |
9 | 324652737 |
10 | 141221023 |
11 | 72796499 |
12 | 3b365167 |
13 | 23347048 |
14 | 14a8155d |
15 | c5e83ed |
hex | 86adc9f |
141221023 has 8 divisors (see below), whose sum is σ = 149651280. Its totient is φ = 132804480.
The previous prime is 141221021. The next prime is 141221051. The reversal of 141221023 is 320122141.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 141221023 - 21 = 141221021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 141220988 and 141221006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141221021) 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, 24213 + ... + 29473.
It is an arithmetic number, because the mean of its divisors is an integer number (18706410).
Almost surely, 2141221023 is an apocalyptic number.
141221023 is a deficient number, since it is larger than the sum of its proper divisors (8430257).
141221023 is a wasteful number, since it uses less digits than its factorization.
141221023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6857.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 141221023 is about 11883.6451899238. The cubic root of 141221023 is about 520.7546033843.
Adding to 141221023 its reverse (320122141), we get a palindrome (461343164).
The spelling of 141221023 in words is "one hundred forty-one million, two hundred twenty-one thousand, twenty-three".
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