Base | Representation |
---|---|
bin | 1111101001101000… |
… | …0000010011101001 |
3 | 101211210011001121010 |
4 | 3322122000103221 |
5 | 32100441333001 |
6 | 1532512334133 |
7 | 206051640120 |
oct | 37232002351 |
9 | 11753131533 |
10 | 4201121001 |
11 | 1866472430 |
12 | 992b44349 |
13 | 51c4ac01c |
14 | 2bbd48ab7 |
15 | 198c518d6 |
hex | fa6804e9 |
4201121001 has 32 divisors (see below), whose sum is σ = 6987230208. Its totient is φ = 2181291840.
The previous prime is 4201120997. The next prime is 4201121059. The reversal of 4201121001 is 1001211024.
It is a happy number.
It is not a de Polignac number, because 4201121001 - 22 = 4201120997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (4201121401) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653535 + ... + 659931.
It is an arithmetic number, because the mean of its divisors is an integer number (218350944).
Almost surely, 24201121001 is an apocalyptic number.
It is an amenable number.
4201121001 is a deficient number, since it is larger than the sum of its proper divisors (2786109207).
4201121001 is a wasteful number, since it uses less digits than its factorization.
4201121001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9261.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 4201121001 is about 64816.0551175401. The cubic root of 4201121001 is about 1613.5721773132.
Adding to 4201121001 its reverse (1001211024), we get a palindrome (5202332025).
The spelling of 4201121001 in words is "four billion, two hundred one million, one hundred twenty-one thousand, one".
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