Base | Representation |
---|---|
bin | 101110010101… |
… | …000100000101 |
3 | 211212000200011 |
4 | 232111010011 |
5 | 11102114101 |
6 | 1112150221 |
7 | 205141606 |
oct | 56250405 |
9 | 24760604 |
10 | 12144901 |
11 | 694570a |
12 | 4098371 |
13 | 2692c42 |
14 | 1881dad |
15 | 10ed751 |
hex | b95105 |
12144901 has 8 divisors (see below), whose sum is σ = 12651264. Its totient is φ = 11645760.
The previous prime is 12144893. The next prime is 12144929. The reversal of 12144901 is 10944121.
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 12144901 - 23 = 12144893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12144931) 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, 1770 + ... + 5236.
It is an arithmetic number, because the mean of its divisors is an integer number (1581408).
Almost surely, 212144901 is an apocalyptic number.
It is an amenable number.
12144901 is a deficient number, since it is larger than the sum of its proper divisors (506363).
12144901 is a wasteful number, since it uses less digits than its factorization.
12144901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3611.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 12144901 is about 3484.9535147545. The cubic root of 12144901 is about 229.8606654503.
The spelling of 12144901 in words is "twelve million, one hundred forty-four thousand, nine hundred one".
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